Question

Cellular respiration allows organisms to release the energy stored in glucose. The energy in glucose is used to form ATP. Which of the following elements is an essential element that makes up ATP? A. polonium B. potassium C. phosphorus D. platinum

Answer 1

C Phosphorus 
Formula : C10H16N5O13P3
Hope this helps 

Answer 2

c  phosphorus becouse thats the element that makes up atp