Answers

2016-06-25T15:56:16+08:00
Venus is hotter due to the greenhouse effect: Venus has an atmosphere about ninety times thicker than that of Earth, and made almost entirely of carbon dioxide, which is one of the gasses that causes the greenhouse effect on Earth.
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2016-06-25T22:15:59+08:00
Because Venus is much closer to sun than Mercury :)
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