What would be the most likely result if humans stopped burning fossil fuels? A. The polar ice caps would melt more quickly.
B. There would be less oxygen in the atmosphere.
C. Greenhouse gas levels would decrease.
D. Global warming would increase.

One gene can influence trait(s). one trait can be determined by gene(s).

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

How is the carbon cycle related to global warming ?