| With reference to greenhouse gases, which among the following statements is/are correct? |
| 1. Greenhouse gases are responsible for global warming |
| 2. If it was not for greenhouse gases, earth would have been too cold for life to exist |
| 3. Ozone, Carbon Dioxide and water vapour are greenhouse gases |
A) 1 only
B) 3 only
C) 1 and 3 only
D) 1, 2 and 3
Correct Answer: D
Solution :
[d] Greenhouse gases are responsible for global warming because they trap heat in the earth's atmosphere and if the same did not exist, heat would not be maintained in our planet and thereby creating scenarios which does not support life. The primary greenhouse gases in Earth's atmosphere are water vapour, carbon dioxide, methane, nitrous oxide, and ozone.
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