Consider the following statements : I. Without the atmosphere, temperature would be well below freezing point everywhere on the Earth's surface. II. Heat absorbed and trapped by the atmosphere maintains our planet's average temperature. III. Atmosphere's gases, like carbon dioxide, are particularly good at absorbing and trapping radiation. Which of the statements given above are correct?
Explanation:
All three statements are correct. Without an atmosphere, Earth's average surface temperature would be significantly colder, well below freezing. The atmosphere, through the greenhouse effect, absorbs and traps outgoing longwave radiation, maintaining a habitable temperature. Greenhouse gases like carbon dioxide are highly effective at absorbing and re-emitting infrared radiation, contributing to this heat trapping.