What is the greenhouse effect?

Type: MCQ • Marks: 1

A. Reflection of sunlight by clouds

B. Depletion of oxygen in upper atmosphere

C. Trapping of heat by atmospheric gases (like CO₂ and water vapor) keeping Earth warm and habitable

D. Cooling of Earth's surface by ice sheets

Explanation

Greenhouse gases trap outgoing terrestrial thermal radiation, maintaining planetary temperatures.

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Class 9th Science (MCQ)

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