Each of the Following Is a Major Factor in the Influence

Multiple Choice

Each of the following is a major factor in the influence of humans on global warming,EXCEPT one.Which is the exception?

A) Increase in heat added by the bodies of humans and animals as their populations increase rapidly
B) Use of gasoline (petrol) and natural gas in transportation vehicles,such as cars and aircraft
C) Burning of wood,coal,and oil for heating and cooking
D) Slash-and-burn methods that are destroying forests in South America