Multiple Choice
Which statement describes the greenhouse effect?
A) Heat trapped by greenhouse gases keeps the planet warm enough to support life.
B) The greenhouse effect is a new theory that explains the increase in UV radiation hitting the earth.
C) The greenhouse effect is increased by the increase in these two greenhouse gases, oxygen and carbon dioxide.
D) The greenhouse effect is increased by the amount of nitrogen gases in the troposphere.
Correct Answer:
Verified
Correct Answer:
Verified
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