Question

Assertion (A) : Increase in carbon dioxide would melt polar ice.
Reason (R) : Global temperature would rise.

• A. Both (A) and (R) are true, and (R) is the correct explanation of (A).
• B. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
• C. (A) is true, but (R) is false
• D. (A) is false, but (R) is true

Hint:

Assertion (A) : Increase in carbon dioxide would melt polar ice. Reason (R) : Global temperature would rise.

Answer 1

The Correct Option is A

Assertion: Increased atmospheric carbon dioxide, a key greenhouse gas, intensifies the greenhouse effect, retaining more heat and causing global warming. This elevated global temperature accelerates the melting of ice sheets, glaciers, and polar ice. The assertion is therefore valid. Reason: Higher concentrations of greenhouse gases like carbon dioxide capture outgoing infrared radiation, increasing the average temperature of Earth's climate system, termed global warming or climate change. The reason is thus valid. The melting of polar ice (Assertion) directly results from the global temperature increase (Reason) driven by increased carbon dioxide. Hence, the Reason accurately explains the Assertion. This aligns with option (1).