What best describes the role of oxygen in aerobic respiration? a. It combines with carbon and hydrogen to form glucose.

b. It is released when glucose breaks apart.

c. It reacts to form carbon dioxide and water.

d. It accepts electrons when reacting to form water.

answer; /// i do believe the correct answer is (

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.

burning fossil fouls really decrease the carbon in the atmosphere so b