How does polluted water affect the people of South Asia? (GSE7G10a)

A. Polluted water tastes bad but it is safe to drink.

B. Pollution controls make water too expensive for most people.

C. Polluted water is unsafe for fish but does not have an affect on humans.

D. When water is very polluted it is unsafe to drink.

Awaiver of the requirement for documentation of informed consent may be granted when: the investigator has no convenient place to store signed consent forms separate from the research datathe only record linking the subject and the research is the consent document and the principal risk is a breach of confidentiality.potential subjects might find some of the research questions embarrassing, personal, or intrusivethe subjects are literate in their own language; however, they do not read, write, or speak english