It is a substance that takes part in and undergoes change during a reaction
Yes there is, there is the cycle which trees and plant organisms produce oxygen, and homes animal organisms which can be beneficial to decomposition and other things.
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Answer:
Oxygen is required by all cells for cellular metabolism and circulating blood must be well oxygenated for maintenance of life. Carbon dioxide is a waste product of cells and must be eliminated or a serious change in pH can occur, known as acidosis.
Explanation: brainlist?
Answer:
A nucleotide is made up of a sugar molecule.
Explanation:
