Biology for IGCSE & O level - Human Influences On Ecosystems (Section 5 - No. 30)
What is the role of the greenhouse effect in maintaining Earth's temperature?
It allows all solar radiation to reach the Earth's surface
It traps heat radiated from the Earth's surface, warming the planet
It reflects all incoming solar radiation back into space.
It has no effect on the Earth's temperature.
Explanation
The greenhouse effect traps heat, warming the planet to a habitable temperature.
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