|Among the various reasons cited for the absence of ability to develop and sustain life on Mars, which among the following are incorrect?|
|1. Mars has no magnetosphere.|
|2. The atmosphere of Mars is very thin.|
|3. Mars is beyond the habitable zone of the solar system.|
|4. Mars has no water, water ice and oxygen.|
|Select the correct answer using the codes given below.|
A) 1 and 2
B) 2, 3 and 4
C) 3 and 4
D) 1, 2 and 3
Correct Answer: D
Solution :[d] The lack of magnetosphere is thought to be one reason for Mar's thin atmosphere. Earth is considered to be in the habitable zone of the solar system. Mars lies beyond that. Traces of ice and water have been observed on Mar's surface.
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