Which of the following is an exmaple of human impact on climate changes?

a) greenhouse effect
b) changes in solar output
c) global warming
d) changes in the tilt of earth's axis

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.