Biology for IGCSE & O level - Human Influences On Ecosystems (Section 5 - No. 23)
Which of the following is a key feature of the greenhouse effect?
It allows all solar radiation to escape into space.
It increases the amount of oxygen in the atmosphere.
It traps heat in the atmosphere, warming the planet.
It cools the earth by reflecting solar radiation.
Explanation
The greenhouse effect traps heat in the atmosphere, which is essential for maintaining a habitable temperature on Earth.
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