The answer is: [D]: hydrochloric acid (HCl).
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Hydrochloric acid (HCl) contains no carbon atoms; therefore it is NOT an organic molecule.
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<span>Some scientists have presumed
that nature of life may exist with the choice
dictated by the local environment<span>. The primitive
earth illustrated the evolution of the
first heterotrophs from aggregates of organic molecules from the development of
heterotrophic forms according to the existing environmental conditions.</span></span>
<span>Potassium channels open and potassium ions diffuse out of the neuron.</span>
