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Question

Identify the greenhouse gas:

(a) Oxygen

(b) Hydrogen

(c) Water vapour

(d) Nitrogen

WBBSE Class X Physical Science Concerns about our Environment 01 Mark 2025

Answer

(c) Water vapour

Explanation:

Greenhouse gases are gases that trap heat in the Earth’s atmosphere by absorbing infrared radiation.

Water vapour is the most abundant and effective greenhouse gas in the atmosphere. It plays a major role in the natural greenhouse effect.

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