The most abundant gas in Earth's atmosphere is Nitrogen (C.)
What is the most abundant gas in Earth's atmosphere?

A. Methane
B. Oxygen
C. Nitrogen
D. Hydrogen
### Instruction:
Choose the most appropriate answer

### Input:
What is the most abundant gas in Earth's atmosphere?

A. Methane
B. Oxygen
C. Nitrogen
D. Hydrogen

### Response:
