What would happen if the amount of carbon dioxide in Earth's atmosphere increased?

A.
Temperatures would decrease because the atmosphere would be so thick that it would block the Sun's heat due to the greenhouse effect.

B.
Temperatures would increase because the atmosphere would hold in more heat due to the greenhouse effect.

C.
Temperatures would stay the same because carbon dioxide is not a greenhouse gas.

B. Temperatures would increase because the atmosphere would hold in more heat due to the greenhouse effect.

make sure ur correct

I apologize for the previous incorrect response. The correct answer is:

B. Temperatures would increase because the atmosphere would hold in more heat due to the greenhouse effect.