compare and contrast the green house effect on Venus, Earth, and Mars?

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    Venus’s atmosphere is 96.5% CO2, meaning the greenhouse effect will bring temperatures up very high (around 730K). The Earth’s atmosphere has a much lower percentage of CO2, around 0.01 to 0.1%, but the Earth still has a substantial atmosphere with other greenhouse gases to keep the planet warm. Mars has 95% CO2 in its atmosphere, but the atmosphere is very thin.

    In terms of strength of the greenhouse effect, I would say Venus > Earth > Mars.

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