Respiration and Photosynthesis
Dont worry those are just variables. a. and b. is the same as 1 and 2 !
Answer:
C. H and O
Explanation:
Almost 99% of the human body's mass is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium and phosphorus, in that order.
Element Symbol % in body
Oxygen O 65.0
Coal C 18.5
The human body is composed of 60% water, that is, H2O.
Answer:
there are no answer choices lol
Explanation:
charactistics
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