Students working on plant extracts want to test the hypothesis. extracts of bougainvillea flowers are effective in reducing symptoms of acne in teenage girls. the students are denied permission to conduct such an experiment for ethical reasons. what is the most likely reason for being denied permission? lack of proper equipmenttoo much of a time commitmentnot enough fundinghumans as test subjects

Answer is

Acne is an infectious disease and one of the most common human diseases. It is characterized by different areas of scaly red skin, pinheads (papules), blackheads and whiteheads, large papules (nodules), and sometimes scarring.

Many plants seem to have inhibitory effects on the growth of such infection by bacteria and fungi. The extracts of Bougainvillea flowers are effective in reducing symptoms of acne in teenage girls. Some Students working on plant extracts want to test the hypothesis. However, they denied permission to carry out experiment because they want to test the results on humans. One can't directly test any experimental result on humans.

Just did the test. Answer is D

Explanation:

Answer is: humans as test subjects. D

the fossil record provides evidence of a common ancestor to many species.

carbon atoms, hydrogen, oxygen, and nitrogen.