Question

The central claim of Passage 2 is that space mining has positive potential but

A

It will end up encouraging humanity's reckless treatment of the environment

B

Its effects should be thoughtfully considered before it becomes a reality

C

Such potential may not include replenishing key resources that are disappearing on Earth

D

Experts disagree about the commercial viability of the discoveries it could yield

Easy

Solution

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Correct option is B)

Option B is correct option as it is said in passage 2 that The past year has seen
          a flurry of proposals aimed at bringing celestial riches
          down to Earth. No doubt this will make a few
 billionaires even wealthier, but we all stand to gain:
          the mineral bounty and spin-off technologies could
          enrich us all.
          But before the miners start firing up their rockets,
          we should pause for thought. At first glance, space
 mining seems to sidestep most environmental
          concerns: there is (probably!) no life on asteroids,
          and thus no habitats to trash. But its consequences
          --both here on Earth and in space--merit careful
          consideration.

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