The average American consumes more than 2000 lbs of food each year. Explain why we do not gain 2000 lbs each year.

the correct answer is:

a population changes in response to a change in the environment.

the dark variety, as they are not visible on the dark tree barks

explanation:

the tricuspid valve is present between right atrium and right ventricle

b) the inside picture would look at a very high temperature in a very low ph