Question

Given below are two statements

Statement I: The greenhouse effect is the retention of heat in the lower atmosphere due to absorption and re-radiation by clouds and certain gases.

Statement II: The anthropogenic greenhouse gases effect is the result of the accumulation of trace gases in the air from human activities.

In light of the above statements, choose the correct answer from the options given below

A Both Statement I and Statement II are true Correct Answer Incorrect Answer
B Both Statement I and Statement II are false Correct Answer Incorrect Answer
C Statement I is true but Statement II is false Correct Answer Incorrect Answer
D Statement I is false but Statement II is true Correct Answer Incorrect Answer

Solution

Greenhouse effect is the trapping and buildup of heat in the atmosphere near Earth’s surface. Some of the heat flowing back towards space from the Earth surface is absorbed by carbon dioxide, water vapour, methane and other gases in the atmosphere and then re radiated back towards Earth’s surface.

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