Multiple choice question - choose single answer

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Jul-2021

Read the text and answer the multiple-choice question by selecting the correct response. Only one response is correct.

NASA

Four Earth-years ago, NASA’s Curiosity rover successfully touched ground on Mars’ dusty surface, after surviving a nail-biting descent through the red planet’s thin atmosphere. Since its triumphant arrival, the car-size “laboratory on wheels” has travelled more than 13.5 kilometres, taking pictures, collecting samples, and analysing rocks along the way. Recent software upgrades even let Curiosity autonomously choose which rocks it examines – and shoots with laser beams. Curiosity has spent more than 1,421 sols, or Martian days, exploring Gale Crater, a low-lying region that may have held past life, if it existed. While the rover has yet to confirm whether Mars once hosted living things, it has found evidence of an ancient freshwater lake in the sediments of Yellowknife Bay, the lowest point of the crater, offering tantalizing insight into the planet’s past habitability. Since September 2014, Curiosity has been examining Mount Sharp, a mountain of layered rocks towering more than five kilometres high in the middle of Gale Crater.

Choose the correct sentence that best summarizes the text.

a) Over the last four years, NASA’s rover, Curiosity has collected samples and taken photographs of Mars’ surface which have revealed evidence of water, but has not confirmed evidence of life.b) NASA’s rover, Curiosity has taken photographs of 13.5 kilometres of Mars’ surface over 1, 421 days to find out if life could have existed on the planet.c) NASA’s rover, Curiosity has had recent software upgrades that have let it explore new areas of Mars looking for evidence of life.d) None of the above

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