Question

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?

A lack of proper equipment

B too much of a time commitment

C not enough funding

D humans as test subjects​

Answer 1

D

Step-by-step explanation:

Answer 2

it is D humans as test subjects​

Step-by-step explanation: