Answer:
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Explanation:
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<h3>
NEUTRONS AND PROTONS</h3>
The nucleus is a collection of particles called protons, which are positively charged, and neutrons, which are electrically neutral. Protons and neutrons are in turn made up of particles called quarks. The chemical element of an atom is determined by the number of protons, or the atomic number, Z, of the nucleus.
I know that it is during cellular respiration, but I'm not sure between b or d
The feedback loops communicate with the body to ensure homeostasis.
Answer is A. Feedback Loops
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