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Daily RC & Passage Practice

Improve your reading speed, vocabulary, and comprehension accuracy for SSC CGL, BPSC, Banking, Teaching, and State PCS exams. Read the passage and test your understanding with real exam MCQs!

Practice Set #500 15 Questions with Instant Solutions

SSC CGL Tier-2 Full Mock Test 17

Question 1 of 15 Not Answered

Directions: Study the following information carefully and answer the question given below.

Reading Comprehension: The advent of CRISPR-Cas9 revolutionized molecular genetics by granting researchers the ability to perform targeted incisions within the eukaryotic genome. However, standard CRISPR-Cas9 endonuclease editing relies on creating double-strand breaks (DSBs) in the DNA phosphodiester backbone. The cell subsequently repairs these severe ruptures primarily via non-homologous end joining (NHEJ), an intrinsically error-prone pathway that introduces stochastic insertions and deletions (indels). While indels are ideal for gene knockouts, they are inadequate and potentially hazardous for precision gene therapy, where unintended chromosomal translocations, large deletions, and p53-mediated apoptosis frequently compromise cellular viability. To circumvent the perilous consequences of DSBs, researchers developed 'base editing'โ€”a transformative class of genome-editing technologies that enables the direct, irreversible conversion of one target base pair into another without double-stranded DNA cleavage. Base editors architecturally fuse a catalytically impaired Cas nuclease (such as a nickase Cas9) to a single-stranded DNA deaminase enzyme. Cytosine base editors (CBEs) employ cytidine deaminases to catalyze the conversion of cytosine (C) into uracil (U), ultimately yielding a C-G to T-A transition. Conversely, adenine base editors (ABEs)โ€”which required directed laboratory evolution because no naturally occurring enzyme deaminates adenine in DNAโ€”convert adenine (A) into inosine (I), which is read by polymerase as guanine, completing an A-T to G-C transition. By operating strictly through hydrolytic deamination and generating only a single-strand nick to bias endogenous mismatch repair toward the newly edited strand, base editors virtually eliminate indel formation and chromosomal aberrations. Consequently, base editing offers unprecedented therapeutic efficacy for treating hundreds of human monogenic pathologies caused by point mutations, including sickle cell anemia and progeria.

What key operational difference distinguishes base editors from classical CRISPR-Cas9 nucleases?

Question 2 of 15 Not Answered

Directions: Study the following information carefully and answer the question given below.

Reading Comprehension: The advent of CRISPR-Cas9 revolutionized molecular genetics by granting researchers the ability to perform targeted incisions within the eukaryotic genome. However, standard CRISPR-Cas9 endonuclease editing relies on creating double-strand breaks (DSBs) in the DNA phosphodiester backbone. The cell subsequently repairs these severe ruptures primarily via non-homologous end joining (NHEJ), an intrinsically error-prone pathway that introduces stochastic insertions and deletions (indels). While indels are ideal for gene knockouts, they are inadequate and potentially hazardous for precision gene therapy, where unintended chromosomal translocations, large deletions, and p53-mediated apoptosis frequently compromise cellular viability. To circumvent the perilous consequences of DSBs, researchers developed 'base editing'โ€”a transformative class of genome-editing technologies that enables the direct, irreversible conversion of one target base pair into another without double-stranded DNA cleavage. Base editors architecturally fuse a catalytically impaired Cas nuclease (such as a nickase Cas9) to a single-stranded DNA deaminase enzyme. Cytosine base editors (CBEs) employ cytidine deaminases to catalyze the conversion of cytosine (C) into uracil (U), ultimately yielding a C-G to T-A transition. Conversely, adenine base editors (ABEs)โ€”which required directed laboratory evolution because no naturally occurring enzyme deaminates adenine in DNAโ€”convert adenine (A) into inosine (I), which is read by polymerase as guanine, completing an A-T to G-C transition. By operating strictly through hydrolytic deamination and generating only a single-strand nick to bias endogenous mismatch repair toward the newly edited strand, base editors virtually eliminate indel formation and chromosomal aberrations. Consequently, base editing offers unprecedented therapeutic efficacy for treating hundreds of human monogenic pathologies caused by point mutations, including sickle cell anemia and progeria.

Why is the avoidance of double-strand breaks (DSBs) considered critical in human precision therapeutics?

Question 3 of 15 Not Answered

Directions: Study the following information carefully and answer the question given below.

Reading Comprehension: The advent of CRISPR-Cas9 revolutionized molecular genetics by granting researchers the ability to perform targeted incisions within the eukaryotic genome. However, standard CRISPR-Cas9 endonuclease editing relies on creating double-strand breaks (DSBs) in the DNA phosphodiester backbone. The cell subsequently repairs these severe ruptures primarily via non-homologous end joining (NHEJ), an intrinsically error-prone pathway that introduces stochastic insertions and deletions (indels). While indels are ideal for gene knockouts, they are inadequate and potentially hazardous for precision gene therapy, where unintended chromosomal translocations, large deletions, and p53-mediated apoptosis frequently compromise cellular viability. To circumvent the perilous consequences of DSBs, researchers developed 'base editing'โ€”a transformative class of genome-editing technologies that enables the direct, irreversible conversion of one target base pair into another without double-stranded DNA cleavage. Base editors architecturally fuse a catalytically impaired Cas nuclease (such as a nickase Cas9) to a single-stranded DNA deaminase enzyme. Cytosine base editors (CBEs) employ cytidine deaminases to catalyze the conversion of cytosine (C) into uracil (U), ultimately yielding a C-G to T-A transition. Conversely, adenine base editors (ABEs)โ€”which required directed laboratory evolution because no naturally occurring enzyme deaminates adenine in DNAโ€”convert adenine (A) into inosine (I), which is read by polymerase as guanine, completing an A-T to G-C transition. By operating strictly through hydrolytic deamination and generating only a single-strand nick to bias endogenous mismatch repair toward the newly edited strand, base editors virtually eliminate indel formation and chromosomal aberrations. Consequently, base editing offers unprecedented therapeutic efficacy for treating hundreds of human monogenic pathologies caused by point mutations, including sickle cell anemia and progeria.

According to the text, why did the development of Adenine Base Editors (ABEs) require directed laboratory evolution?

Question 4 of 15 Not Answered

Directions: Study the following information carefully and answer the question given below.

Reading Comprehension: The advent of CRISPR-Cas9 revolutionized molecular genetics by granting researchers the ability to perform targeted incisions within the eukaryotic genome. However, standard CRISPR-Cas9 endonuclease editing relies on creating double-strand breaks (DSBs) in the DNA phosphodiester backbone. The cell subsequently repairs these severe ruptures primarily via non-homologous end joining (NHEJ), an intrinsically error-prone pathway that introduces stochastic insertions and deletions (indels). While indels are ideal for gene knockouts, they are inadequate and potentially hazardous for precision gene therapy, where unintended chromosomal translocations, large deletions, and p53-mediated apoptosis frequently compromise cellular viability. To circumvent the perilous consequences of DSBs, researchers developed 'base editing'โ€”a transformative class of genome-editing technologies that enables the direct, irreversible conversion of one target base pair into another without double-stranded DNA cleavage. Base editors architecturally fuse a catalytically impaired Cas nuclease (such as a nickase Cas9) to a single-stranded DNA deaminase enzyme. Cytosine base editors (CBEs) employ cytidine deaminases to catalyze the conversion of cytosine (C) into uracil (U), ultimately yielding a C-G to T-A transition. Conversely, adenine base editors (ABEs)โ€”which required directed laboratory evolution because no naturally occurring enzyme deaminates adenine in DNAโ€”convert adenine (A) into inosine (I), which is read by polymerase as guanine, completing an A-T to G-C transition. By operating strictly through hydrolytic deamination and generating only a single-strand nick to bias endogenous mismatch repair toward the newly edited strand, base editors virtually eliminate indel formation and chromosomal aberrations. Consequently, base editing offers unprecedented therapeutic efficacy for treating hundreds of human monogenic pathologies caused by point mutations, including sickle cell anemia and progeria.

What is the primary rhetorical purpose of the passage?

Question 5 of 15 Not Answered

Directions: Study the following information carefully and answer the question given below.

Reading Comprehension: Modern Monetary Theory (MMT) represents a profound paradigm shift in macroeconomic analysis, fundamentally challenging orthodox fiscal dogmas that equate the financial budgeting of sovereign nations with that of private households. According to MMT, a sovereign government that issues its own unpegged, non-convertible fiat currencyโ€”such as the United States, Japan, or the United Kingdomโ€”cannot face purely financial insolvency. Because the state is the monopoly issuer of its currency, it does not need to secure tax receipts or issue debt bonds prior to spending. Instead, government spending is the operational mechanism through which fiat currency is injected into the private economy in the first place, while taxation functions in reverse: extracting liquidity from circulation. Crucially, MMT does not assert that sovereign spending is boundless or devoid of economic consequences. Rather, it reconceptualizes the hard constraint on state expenditure: the constraint is not a nominal financial balance sheet, but the availability of real physical resources (labor, capital, technology, raw materials) within the economy. When public and private spending combined exceeds the productive capacity of the economy, aggregate demand outstrips aggregate supply, triggering demand-pull inflation. Therefore, the true function of taxation under MMT is twofold: to create baseline demand for the state's fiat currency (by compelling citizens to discharge legal tax obligations in that specific token) and to drain purchasing power from the private sector to prevent inflationary overheating. To optimize resource utilization without stoking inflation, MMT scholars advocate for a permanent Federal Job Guarantee (JG), which acts as a macroeconomic counter-cyclical stabilizer, establishing a nominal price anchor while eradicating involuntary unemployment.

According to Modern Monetary Theory (MMT), what represents the true operational constraint on sovereign government spending?

Question 6 of 15 Not Answered

Directions: Study the following information carefully and answer the question given below.

Reading Comprehension: Modern Monetary Theory (MMT) represents a profound paradigm shift in macroeconomic analysis, fundamentally challenging orthodox fiscal dogmas that equate the financial budgeting of sovereign nations with that of private households. According to MMT, a sovereign government that issues its own unpegged, non-convertible fiat currencyโ€”such as the United States, Japan, or the United Kingdomโ€”cannot face purely financial insolvency. Because the state is the monopoly issuer of its currency, it does not need to secure tax receipts or issue debt bonds prior to spending. Instead, government spending is the operational mechanism through which fiat currency is injected into the private economy in the first place, while taxation functions in reverse: extracting liquidity from circulation. Crucially, MMT does not assert that sovereign spending is boundless or devoid of economic consequences. Rather, it reconceptualizes the hard constraint on state expenditure: the constraint is not a nominal financial balance sheet, but the availability of real physical resources (labor, capital, technology, raw materials) within the economy. When public and private spending combined exceeds the productive capacity of the economy, aggregate demand outstrips aggregate supply, triggering demand-pull inflation. Therefore, the true function of taxation under MMT is twofold: to create baseline demand for the state's fiat currency (by compelling citizens to discharge legal tax obligations in that specific token) and to drain purchasing power from the private sector to prevent inflationary overheating. To optimize resource utilization without stoking inflation, MMT scholars advocate for a permanent Federal Job Guarantee (JG), which acts as a macroeconomic counter-cyclical stabilizer, establishing a nominal price anchor while eradicating involuntary unemployment.

How does MMT conceptualize the primary economic functions of taxation?

Question 7 of 15 Not Answered

Directions: Study the following information carefully and answer the question given below.

Reading Comprehension: Modern Monetary Theory (MMT) represents a profound paradigm shift in macroeconomic analysis, fundamentally challenging orthodox fiscal dogmas that equate the financial budgeting of sovereign nations with that of private households. According to MMT, a sovereign government that issues its own unpegged, non-convertible fiat currencyโ€”such as the United States, Japan, or the United Kingdomโ€”cannot face purely financial insolvency. Because the state is the monopoly issuer of its currency, it does not need to secure tax receipts or issue debt bonds prior to spending. Instead, government spending is the operational mechanism through which fiat currency is injected into the private economy in the first place, while taxation functions in reverse: extracting liquidity from circulation. Crucially, MMT does not assert that sovereign spending is boundless or devoid of economic consequences. Rather, it reconceptualizes the hard constraint on state expenditure: the constraint is not a nominal financial balance sheet, but the availability of real physical resources (labor, capital, technology, raw materials) within the economy. When public and private spending combined exceeds the productive capacity of the economy, aggregate demand outstrips aggregate supply, triggering demand-pull inflation. Therefore, the true function of taxation under MMT is twofold: to create baseline demand for the state's fiat currency (by compelling citizens to discharge legal tax obligations in that specific token) and to drain purchasing power from the private sector to prevent inflationary overheating. To optimize resource utilization without stoking inflation, MMT scholars advocate for a permanent Federal Job Guarantee (JG), which acts as a macroeconomic counter-cyclical stabilizer, establishing a nominal price anchor while eradicating involuntary unemployment.

What policy proposal is championed by MMT scholars to eliminate involuntary unemployment while maintaining price stability?

Question 8 of 15 Not Answered

Directions: Study the following information carefully and answer the question given below.

Reading Comprehension: Modern Monetary Theory (MMT) represents a profound paradigm shift in macroeconomic analysis, fundamentally challenging orthodox fiscal dogmas that equate the financial budgeting of sovereign nations with that of private households. According to MMT, a sovereign government that issues its own unpegged, non-convertible fiat currencyโ€”such as the United States, Japan, or the United Kingdomโ€”cannot face purely financial insolvency. Because the state is the monopoly issuer of its currency, it does not need to secure tax receipts or issue debt bonds prior to spending. Instead, government spending is the operational mechanism through which fiat currency is injected into the private economy in the first place, while taxation functions in reverse: extracting liquidity from circulation. Crucially, MMT does not assert that sovereign spending is boundless or devoid of economic consequences. Rather, it reconceptualizes the hard constraint on state expenditure: the constraint is not a nominal financial balance sheet, but the availability of real physical resources (labor, capital, technology, raw materials) within the economy. When public and private spending combined exceeds the productive capacity of the economy, aggregate demand outstrips aggregate supply, triggering demand-pull inflation. Therefore, the true function of taxation under MMT is twofold: to create baseline demand for the state's fiat currency (by compelling citizens to discharge legal tax obligations in that specific token) and to drain purchasing power from the private sector to prevent inflationary overheating. To optimize resource utilization without stoking inflation, MMT scholars advocate for a permanent Federal Job Guarantee (JG), which acts as a macroeconomic counter-cyclical stabilizer, establishing a nominal price anchor while eradicating involuntary unemployment.

Which of the following assumptions of orthodox neoclassical economics does MMT directly refute?

Question 9 of 15 Not Answered

Directions: Study the following information carefully and answer the question given below.

Reading Comprehension: Situated on Khadir Bet, an arid island in the Great Rann of Kutch in Gujarat, the Bronze Age metropolis of Dholavira stands as one of the most sophisticated examples of ancient urban hydraulic engineering in human history. Unlike contemporaneous Mesopotamian, Egyptian, or Indus Valley settlements situated along perennial alluvial rivers like the Nile or the Indus, Dholavira possessed no perennial riverine source. The city had to survive in an arid climate characterized by erratic monsoon rainfall, prolonged droughts, and highly saline groundwater. To conquer these harsh environmental parameters, Harappan urban planners designed an interconnected network of massive stone-cut reservoirs, check dams, and drainage canals that encircled the entire citadel. The city was flanked by two seasonal storm torrents: the Mansar (or Manhar) to the south and the Khazir to the north. During torrential monsoon downpours, these nullahs transformed into raging torrents carrying sediment-laden flash runoff. The Harappan hydrologists constructed an ingenious series of stone-masonry bunds and dams across these channels, diverting peak flows through rock-hewn feeding channels into sixteen colossal interconnected reservoirs excavated along the perimeter of the fortifications. To ensure the purity of potable water, the system incorporated cascading settling tanks and siltation chambers where suspended sand and gravel settled prior to water entering the primary reservoirs. Furthermore, subterranean rock-cut storm sewers and covered drains were built beneath the citadel streets to channel every drop of rainwater falling on rooftops directly into subterranean cisterns. This grand hydraulic apparatus possessed a collective storage capacity estimated at over 300,000 cubic meters, ensuring civic sustenance and sanitation throughout years of persistent drought.

How did the hydraulic engineers of Dholavira capture surface water in the absence of a perennial river?

Question 10 of 15 Not Answered

Directions: Study the following information carefully and answer the question given below.

Reading Comprehension: Situated on Khadir Bet, an arid island in the Great Rann of Kutch in Gujarat, the Bronze Age metropolis of Dholavira stands as one of the most sophisticated examples of ancient urban hydraulic engineering in human history. Unlike contemporaneous Mesopotamian, Egyptian, or Indus Valley settlements situated along perennial alluvial rivers like the Nile or the Indus, Dholavira possessed no perennial riverine source. The city had to survive in an arid climate characterized by erratic monsoon rainfall, prolonged droughts, and highly saline groundwater. To conquer these harsh environmental parameters, Harappan urban planners designed an interconnected network of massive stone-cut reservoirs, check dams, and drainage canals that encircled the entire citadel. The city was flanked by two seasonal storm torrents: the Mansar (or Manhar) to the south and the Khazir to the north. During torrential monsoon downpours, these nullahs transformed into raging torrents carrying sediment-laden flash runoff. The Harappan hydrologists constructed an ingenious series of stone-masonry bunds and dams across these channels, diverting peak flows through rock-hewn feeding channels into sixteen colossal interconnected reservoirs excavated along the perimeter of the fortifications. To ensure the purity of potable water, the system incorporated cascading settling tanks and siltation chambers where suspended sand and gravel settled prior to water entering the primary reservoirs. Furthermore, subterranean rock-cut storm sewers and covered drains were built beneath the citadel streets to channel every drop of rainwater falling on rooftops directly into subterranean cisterns. This grand hydraulic apparatus possessed a collective storage capacity estimated at over 300,000 cubic meters, ensuring civic sustenance and sanitation throughout years of persistent drought.

What specific structural feature was implemented to prevent silt from clogging the main drinking reservoirs?

Question 11 of 15 Not Answered

Directions: Study the following information carefully and answer the question given below.

Reading Comprehension: Situated on Khadir Bet, an arid island in the Great Rann of Kutch in Gujarat, the Bronze Age metropolis of Dholavira stands as one of the most sophisticated examples of ancient urban hydraulic engineering in human history. Unlike contemporaneous Mesopotamian, Egyptian, or Indus Valley settlements situated along perennial alluvial rivers like the Nile or the Indus, Dholavira possessed no perennial riverine source. The city had to survive in an arid climate characterized by erratic monsoon rainfall, prolonged droughts, and highly saline groundwater. To conquer these harsh environmental parameters, Harappan urban planners designed an interconnected network of massive stone-cut reservoirs, check dams, and drainage canals that encircled the entire citadel. The city was flanked by two seasonal storm torrents: the Mansar (or Manhar) to the south and the Khazir to the north. During torrential monsoon downpours, these nullahs transformed into raging torrents carrying sediment-laden flash runoff. The Harappan hydrologists constructed an ingenious series of stone-masonry bunds and dams across these channels, diverting peak flows through rock-hewn feeding channels into sixteen colossal interconnected reservoirs excavated along the perimeter of the fortifications. To ensure the purity of potable water, the system incorporated cascading settling tanks and siltation chambers where suspended sand and gravel settled prior to water entering the primary reservoirs. Furthermore, subterranean rock-cut storm sewers and covered drains were built beneath the citadel streets to channel every drop of rainwater falling on rooftops directly into subterranean cisterns. This grand hydraulic apparatus possessed a collective storage capacity estimated at over 300,000 cubic meters, ensuring civic sustenance and sanitation throughout years of persistent drought.

Which seasonal watercourses flanked the citadel of Dholavira to supply its hydraulic network?

Question 12 of 15 Not Answered

Directions: Study the following information carefully and answer the question given below.

Reading Comprehension: Situated on Khadir Bet, an arid island in the Great Rann of Kutch in Gujarat, the Bronze Age metropolis of Dholavira stands as one of the most sophisticated examples of ancient urban hydraulic engineering in human history. Unlike contemporaneous Mesopotamian, Egyptian, or Indus Valley settlements situated along perennial alluvial rivers like the Nile or the Indus, Dholavira possessed no perennial riverine source. The city had to survive in an arid climate characterized by erratic monsoon rainfall, prolonged droughts, and highly saline groundwater. To conquer these harsh environmental parameters, Harappan urban planners designed an interconnected network of massive stone-cut reservoirs, check dams, and drainage canals that encircled the entire citadel. The city was flanked by two seasonal storm torrents: the Mansar (or Manhar) to the south and the Khazir to the north. During torrential monsoon downpours, these nullahs transformed into raging torrents carrying sediment-laden flash runoff. The Harappan hydrologists constructed an ingenious series of stone-masonry bunds and dams across these channels, diverting peak flows through rock-hewn feeding channels into sixteen colossal interconnected reservoirs excavated along the perimeter of the fortifications. To ensure the purity of potable water, the system incorporated cascading settling tanks and siltation chambers where suspended sand and gravel settled prior to water entering the primary reservoirs. Furthermore, subterranean rock-cut storm sewers and covered drains were built beneath the citadel streets to channel every drop of rainwater falling on rooftops directly into subterranean cisterns. This grand hydraulic apparatus possessed a collective storage capacity estimated at over 300,000 cubic meters, ensuring civic sustenance and sanitation throughout years of persistent drought.

What primary inference can be drawn regarding the civic governance of Dholavira based on its hydraulic works?

Question 13 of 15 Not Answered

Directions: Study the following information carefully and answer the question given below.

Cloze Test: The rapid commercialization of Low Earth Orbit (LEO) has inaugurated an ___(1)___ era of global satellite telecommunications. With thousands of mass-produced broadband satellites currently orbiting the globe, commercial operators are providing high-speed internet connectivity to previously remote and underserved populations. However, this exponential growth in orbital density has precipitated profound ecological and astronomical dilemmas. The astronomical community has warned that the reflective surfaces of these ___(2)___ mega-constellations severely streak deep-space telescope exposures, impeding the systematic discovery of near-Earth asteroids and distant cosmological phenomena. Concurrently, orbital safety analysts caution that overcrowding dramatically heightens the risk of hypervelocity debris collisions. If a catastrophic fragmentation event occurs, it could ___(3)___ the cascade effect known as Kessler Syndrome, rendering crucial orbital altitudes unusable for generations. To counteract this peril, international regulatory bodies must mandate robust active debris ___(4)___ protocols, including strict five-year de-orbit rules for retired satellites. Ensuring the long-term sustainability of the orbital commons is not a trivial regulatory option; it is an absolute existential ___(5)___ for humanity's continued technological civilization.

Select the most appropriate option to fill in blank numbered (1).

Question 14 of 15 Not Answered

Directions: Study the following information carefully and answer the question given below.

Cloze Test: The rapid commercialization of Low Earth Orbit (LEO) has inaugurated an ___(1)___ era of global satellite telecommunications. With thousands of mass-produced broadband satellites currently orbiting the globe, commercial operators are providing high-speed internet connectivity to previously remote and underserved populations. However, this exponential growth in orbital density has precipitated profound ecological and astronomical dilemmas. The astronomical community has warned that the reflective surfaces of these ___(2)___ mega-constellations severely streak deep-space telescope exposures, impeding the systematic discovery of near-Earth asteroids and distant cosmological phenomena. Concurrently, orbital safety analysts caution that overcrowding dramatically heightens the risk of hypervelocity debris collisions. If a catastrophic fragmentation event occurs, it could ___(3)___ the cascade effect known as Kessler Syndrome, rendering crucial orbital altitudes unusable for generations. To counteract this peril, international regulatory bodies must mandate robust active debris ___(4)___ protocols, including strict five-year de-orbit rules for retired satellites. Ensuring the long-term sustainability of the orbital commons is not a trivial regulatory option; it is an absolute existential ___(5)___ for humanity's continued technological civilization.

Select the most appropriate option to fill in blank numbered (2).

Question 15 of 15 Not Answered

Directions: Study the following information carefully and answer the question given below.

Cloze Test: The rapid commercialization of Low Earth Orbit (LEO) has inaugurated an ___(1)___ era of global satellite telecommunications. With thousands of mass-produced broadband satellites currently orbiting the globe, commercial operators are providing high-speed internet connectivity to previously remote and underserved populations. However, this exponential growth in orbital density has precipitated profound ecological and astronomical dilemmas. The astronomical community has warned that the reflective surfaces of these ___(2)___ mega-constellations severely streak deep-space telescope exposures, impeding the systematic discovery of near-Earth asteroids and distant cosmological phenomena. Concurrently, orbital safety analysts caution that overcrowding dramatically heightens the risk of hypervelocity debris collisions. If a catastrophic fragmentation event occurs, it could ___(3)___ the cascade effect known as Kessler Syndrome, rendering crucial orbital altitudes unusable for generations. To counteract this peril, international regulatory bodies must mandate robust active debris ___(4)___ protocols, including strict five-year de-orbit rules for retired satellites. Ensuring the long-term sustainability of the orbital commons is not a trivial regulatory option; it is an absolute existential ___(5)___ for humanity's continued technological civilization.

Select the most appropriate option to fill in blank numbered (3).

0 of 15 answered
๐Ÿ’ก 3 Golden RC Rules
  • โ€ข Skim First: Spend 60 seconds skimming the passage to grasp the central theme.
  • โ€ข Stick to the Text: Never assume external facts beyond what the author explicitly stated.
  • โ€ข Context Clues: For vocabulary blanks or meanings, read the preceding and succeeding sentence.

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