Multiple Choice
An astronomer tells you that he has discovered a new planet that he calls Planet X. All he knows about Planet X so far is that it has a very dense atmosphere with a temperature approximately 5 times warmer than that of Earth. What hypothesis can you reasonably make regarding the atmosphere of Planet X?
A) The atmosphere of Planet X must not contain any oxygen, so people couldn't live there.
B) The nitrogen cycle does not operate on Planet X in the same way it does on Earth.
C) Planet X cannot contain water in any form.
D) The atmosphere of Planet X has a higher concentration of greenhouse gases than Earth's does.
Correct Answer:
Verified
Correct Answer:
Verified
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