Unit 9. People, Development and Environment
UGC NET JRF Paper 1 Free Unit-wise Test Series.
Question (1/10)
Q.1. Which of the following gases is primarily responsible for global warming?
(A). Oxygen
(B). Nitrogen
(C). Carbon Dioxide
(D). Hydrogen
Answer: (C). Carbon Dioxide
Explanation: Carbon dioxide (CO₂) is a greenhouse gas that traps heat in the atmosphere, leading to global warming. Its increased concentration due to human activities like burning fossil fuels is a major contributor to climate change.
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