I think the answer you are looking for is D.
Hope this helps!!! :D
An ester is the reaction product between A. alcohol and organic acid.
Answer:What is the question
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Answer:
Many emerging diseases arise when infectious agents in animals are passed to humans (referred to as zoonoses). As the human population expands in number and into new geographical regions, the possibility that humans will come into close contact with animal species that are potential hosts of an infectious agent increases.
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