Answer:
According to the federal regulations, research is eligible for exemption, if: All the subjects are adults and the risk is minimal. ... Any level of risk, but all the subjects are adults. No more than minimal risk and the research activities fall within regulatory categories identified as eligible.
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B . The illusion of light and shade is clear in both works .
Correct answer A.Palazzo Rucellai.
A) Balance
explanation: balance in terms of art refers to utilizing various elements to establish a sense of visible stability. a composition is a purposeful arrangement, so to establish a meaningful composition balance is needed. I hope this helps :)
The answer you are looking for is canon