This is my answer it is D :]
The answer is B.
Animals do cellular respiration which requires the intake of oxygen and the output of carbon dioxide. In order for plants to do photosynthesis, they need carbon dioxide to be able to make oxygen for animals to breathe.
Answer:
<h3>plant has cell wall but animals don't have </h3>
Cars, Automobiles, transportation, the burning of fossile fuels (gas). Anything that mentions car or car functions lol
Homeostasis:
<em>The tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes</em>