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What is the role of water vapor in the greenhouse effect?

Options

  1. AIt doesn't contribute to the greenhouse effect.
  2. BIt helps cool the Earth's atmosphere.
  3. CIt traps heat and contributes to the greenhouse effect.
  4. DIt absorbs and reflects solar energy.

Correct answer

C. It traps heat and contributes to the greenhouse effect.

Step-by-step solution

Water vapor is a natural greenhouse gas that traps heat in the Earth's atmosphere, contributing to the greenhouse effect.

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