It can be the example of all kinds of sickness
<span>b. They release oxygen that organisms use to breathe.</span>
Both (animal) and human activities contribute to land pollution.
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The National Institutes of Health play in community health, conducts health-related research.
<h3>What role does the National Institute of health play in the community health?</h3>
The National Institutes of Health is the prior company of the United States government liable for biomedical and general health research.
Thus, option "B" is correct, It conducts health-related research.
To learn more about National Institutes of Health click here:
brainly.com/question/2149629
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