D. It expands and contrasts
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Answer:
Therefore, a global zoonotic disease surveillance system to reduce the emergence of zoonotic diseases in humans and to help detect other livestock diseases early could help to prevent the staggering economic losses associated with zoonotic disease outbreaks. So, yes I would say that they are very important to study.
Explanation:
Non living things like mountains,oxygen,water.etc
He sailed on the HMS Beagle to serve as a naturalist.
