The satements that are TRUE :

Question:

The satements that are TRUE :

(A) Methane leads to both global warming and photochemical smog

(B) Methane is generated from paddy fields

(C) Methane is a stronger global warming gas than $\mathrm{CO}_{2}$

(D) Methane is a part of reducing smog

Choose the most appropriate answer from the options given below:

  1. (A), (B), (C) only

  2. (A) and (B) only

  3. (B), (C), (D) only

  4. (A), (B), (D) only


Correct Option: 1

Solution:

Methane leads to both global warming \& photochemical smog.

Methane is generated in large amounts from paddy fields.

$\mathrm{CO}_{2}$ can be absorbed by photosynthesis, or by formation of acid rain etc., while no such activities are there for methane.

Hence methane is stronger global warming gas than $\mathrm{CH}_{4}$.

Methane is not a part of reducing smog.

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