Question:

What do clays, sulphates and other minerals found near the rover's landing site suggest? 

(a) They suggest that huge volcanic eruptions might have taken place in the remote past.
(b) They revealed that Mars once had favourable conditions for life.
(c) The evidence of clay suggests that once water flowed through the area.
 

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Always cross-check if the option is explicitly mentioned in the passage. Avoid adding assumptions like "volcanic eruptions" when not stated.
Updated On: Sep 3, 2025
  • All (a), (b) and (c)
  • Only (b)
  • Only (c)
  • Only (b) and (c)
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The Correct Option is D

Solution and Explanation

The passage states that "analysis of clays, sulphates and other minerals shows they are all key to life" and that they are evidence of water flow in the past. This supports (b) and (c). No mention is made of volcanic eruptions. \[ \Rightarrow \boxed{\text{Only (b) and (c)}} \]
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