Consider the following statements: I. Without the atmosphere, temperature would be well below freezing point everywhere on Earth. II. Heat absorbed and trapped by the atmosphere maintains our planet's average temperature. III. Atmospheric gases like CO₂ are good at trapping radiation. Which of the statements given above are correct?

Options

1. I and III only
2. I and II only
3. I, II and III
4. II and III only

Correct Answer

I, II and III

Explanation

The atmosphere, through greenhouse gases, traps outgoing infrared radiation, maintaining Earth’s habitable temperature.

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