adding more heat and carbon dioxide. reducing the amount of necessary heat. taking water vapor out of the atmosphere. putting more oxygen in the atmosphere.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The burning of fossil fuels affects the atmosphere by
Possibilities:
- adding more heat and carbon dioxide.
- reducing the amount of necessary heat.
- taking water vapor out of the atmosphere.
- putting more oxygen in the atmosphere.

adding more heat and carbon dioxide.