Which of the following is believed to be one cause of global warming?
A B C D
atmospheric rise of carbon dioxide hot air from air conditioner exhaust methane gas escaping from landfills body heat generated by overpopulation
Question: Which of the following is believed to be one cause of global warming?
(A) atmospheric rise of carbon dioxide
(B) hot air from air conditioner exhaust
(C) methane gas escaping from landfills
(D) body heat generated by overpopulation

Answer: (A) atmospheric rise of carbon dioxide
Answer: (D) body heat generated by overpopulation
Question: Which of the following is believed to be one cause of global warming?
(A) atmospheric rise of carbon dioxide
(B) hot air from air conditioner exhaust
(C) methane gas escaping from landfills
(D) body heat generated by overpopulation
Answer: (A) atmospheric rise of carbon dioxide