Answer:
A. Respiration
Explanation:
The process in which oxygen atoms are made available to the cell of animals is called cell respiration. In cell respiration the food molecules undergo process which is called food oxidization, that make it available to be absorbed by the animal cell.
The nucleus is the center of our cells. it contains our chromosomes and genetic information the produces life.
B is correct
Acids are molecular compounds that release hydrogen ions. A binary acid consists of hydrogen and one other element.
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Answer:
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