Which of the following best explains why Mars' and Venus' surface temperatures vary, despite both planets having atmospheres that contain mostly carbon dioxide? (1 point)
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Venus has a thick atmosphere which blocks heat from the surface.
• Mars has a surface of red rocks and sand which reflect heat.
O Venus has a surface of high mountains which absorb heat.
• Mars has a thin atmosphere that cannot hold much heat.
1 answer
Venus has a thick atmosphere which blocks heat from the surface.