Which of the following pairs of gases is mainly responsible for green house effect? a)ozone and ammonia b)oxygen and nitrogen c)nitrogen and sulphur dioxide d)carbon dioxide and methane

Explanation

To determine which pair of gases is mainly responsible for the greenhouse effect, we can analyze each option provided:

1. **Option A: Ozone and Ammonia**
- Ozone does contribute to the greenhouse effect, but ammonia does not significantly contribute to it. Therefore, this pair is not responsible for the greenhouse effect as a whole.

2. **Option B: Oxygen and Nitrogen**
- Both oxygen and nitrogen are major components of the atmosphere but do not contribute to the greenhouse effect. Thus, this option is incorrect.

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