option d. Ned volunteers to pick up garbage every Saturday, which helps clean up his community
The rest of the choices doesn't match what is asked. I chose option d. because by picking up garbage is of the ways that could contribute the cleanliness of the environment. Small actions bring big transcendence towards other people and in that way encourage others to take good part as well.
Answer:
they provide a nutrient-rich environment that facilitates growth and because they confer resistance to antibiotics.
Explanation:
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After World War II, the need to diagnose and treat returning soldiers for mental illness led to the development of "<span>the Commission on Health to examine the health needs of returning soldiers and their families"
In short, Your Answer would be Option C
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