Why do astronomers think Earth ended up with so little CO2 compared with Mars and Venus?
A) Plant life and abundant water have removed most of the CO2, locking it into rocks and the oceans.
B) Volcanoes on Earth outgassed less CO2 than on Venus and Mars.
C) Comets striking the surfaces of Venus and Mars added CO2 to their atmospheres, but not to Earth.
D) Pollution on Earth has reduced the amount of CO2 originally present.
Correct Answer:
Verified
Q81: Why do Venus and Earth have the
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Q83: The internal activity of Venus is responsible
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Q89: The absence of liquid water on Venus
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A)
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