The World Wildlife Fund has declared that global warming, a phenomenon most scientists agree to be caused by human beings in burning fossil fuels, will create havoc among migratory birds by altering the environment in ways harmful to their habitats.
- a phenomenon most scientists agree to be caused by human beings in burning fossil fuels,
Human beings are not IN Burning fossil fuel. This would make the sentence illogical. Eliminate
(B) a phenomenon most scientists agree that is caused by fossil fuels burned by human beings,
What is global warming caused by?
It is caused by- fossil fuels. Eliminate
(C) a phenomenon that most scientists agree is caused by human beings' burning of fossil fuels,
a phenomenon that most scientists agree is …. modifies Global warming.
What is global warming caused by?
It is caused by- human beings' burning of fossil fuels
(D) which most scientists agree on as a phenomenon caused by human beings who burn fossil fuels,
What is global warming caused by?
It is caused by- Human beings who.. ( more information about human beings) Eliminate
(E) which most scientists agree to be a phenomenon caused by fossil fuels burned by human beings,
What is global warming caused by?
It is caused by- fossil fuels. Eliminate
C is the best choice.