Sweating in response to external stimulus
Answer:
While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere. The exchange of carbon dioxide and oxygen during photosynthesis (Figure below) and cellular respiration worldwide helps to keep atmospheric oxygen and carbon dioxide at stable levels.
ATP is used as an energy source for cells
Many substances, such as cholesterol, bind to receptor sites on the cell membrane, triggering endocytosis.
Evaluation phase is the answer to the question
Perigee is the answer it is closest to the Earth
