Planet 'X' is cold and dry planet having two satellites- Phobos and Deimos. Its 95% atmosphere is made up of carbon dioxide. What is 'X' in the above paragraph?
A
Mercury
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B
Venus
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C
Mars
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D
Saturn
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Solution
The correct option is A Mars
Mars is a cold desert world and is half the size of Earth. Mars is sometimes called the Red Planet because of rusty iron in the ground.
Mars has a very thin atmosphere composed mostly of the tiny amount of carbon dioxide (95.3%), nitrogen (2.7%), argon (1.6%) and traces of oxygen (0.15%) and water (0.03%).