Which of the following is/are not Green House Gases?

Q. Which of the following is/are not Green House Gases?

1. Nitrous oxide

2. Ozone

3. Sulphur dioxide

Select the correct answer from the following codes

A.            Only 3

B.            Only 1 and 2

C.            Only 2 and 3

D.            1,2 and 3

Answer: Only 3