Question

1. which which two gases make the bulk of the atmosphere
2. which gas creates ?greenhouse effect in the atmosphere ?​

Answer 1

Answer:

1 - The two gases that make the bulk of the atmosphere are: Oxygen (21%) Nitrogen (78%)

2 - Carbon dioxide

Answer 2

Answer:

1) Nitrogen And Oxygen.

2) Carbon Dioxide, Methane, etc.

Explanation:

1) Nitrogen comprises 78% approx. of the atmosphere whereas Oxygen comprises 21%.

2) Their chemical composition is such that it effects the atmosphere.