Cellular respiration uses oxygen as a reactant and photosynthesis does not.
Cellular respiration produces excess ATP and photosynthesis does not.
Cellular respiration is performed by consumers and photosynthesis is not.
Cellular respiration releases energy from glucose molecules and photosynthesis does not.
These all apply
The source of inorganic fertilizer is from plant or animal based materials that are either a byproduct or end product of naturally occurring processes like leaves, and compost.
Nonrenewable resources are used commonly and are quickly running out, and it takes longer for us to form more of these.