After reviewing the graphic, select the best response based on that data shown.
a
Humans are composed primarily of water.
b
By volume, humans are 65% oxygen gas.
c
By mass, humans are 2% calcium.
d
Elements making up the human body are mostly potassium and carbon.
d
Elements making up the human body are mostly potassium and carbon.
Based on the graphic data shown, the best response would be:
d) Elements making up the human body are mostly potassium and carbon.