Answer:
The correct answer is D! Hope this helps!
<span>Question B) the development of the microscope Eliminate.
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Neurotransmitters, such as acetylcholine--the major neurotransmitter found in the human body, act over a short time and they are quickly removed from the synapse by enzymes (i.e. acetylcholinesterase which breaks down acetylcholine to acetyl-CoA and choline).
