Answer:
b. Exempt Review
Explanation:
Exempt review is a term used in academic studies that represents a situation in which a research or study may be approved by the institutional review committee (IRB), even with minimal risk. This type of research does not require much protocol by the IRB and can be approved for publication even without the need to convene this committee.
There's a bunch of popular hats around the world so it depends :D
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The free exercise clause protects the religious beliefs, and to a certain extent, the religious practices of all citizens. The more controversial establishment clause prohibits the government from endorsing, supporting, or becoming too involved in religion and religious activities.
Explanation: