Nitrogen is chemically inert. Sodium vapor reflects solar energy. Carbon dioxide traps solar energy. Argon is unable to react with water.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which statement describes a characteristic of a gas that has a significant effect on the climates of both Earth and Venus?
Possibilities:
- Nitrogen is chemically inert.
- Sodium vapor reflects solar energy.
- Carbon dioxide traps solar energy.
- Argon is unable to react with water.

Carbon dioxide traps solar energy.