Answer:
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By transfer through cellular respiration.
The answer is A, chemoreception!
The chemoreceptors of taste and smell are closely related ; in fact one receptor type, the Lewis acid receptor is common to both the tatse (gustatory) and smell (olfactory) modalities! ☻
D. 2H₂O ⇄ H₃O⁺ + OH⁻
H₂O⁺ is known as the hydronium cation and OH⁻ is known as the hydroxide anion.