Question

challenge question. according to the passage, both earth and mars. i. are composed of rock. ii. have a 24 - hour day. iii. have 12 - month years. a only. b i and ii only. c ii and iii only. d i, ii and iii.

Explanation:

The passage states that like Earth, Mars is primarily of rock and a day on Mars equals 24 hours just as on Earth. But a year on Mars is 687 Earth - days (about 23 Earth - months), not 12 - month years like Earth. So statements I and II are correct, and statement III is incorrect.

Answer:

B. I and II only