I think it should be identified how long the study has gone for, what populations were studied, how each participant’s diets were, and how much green tea needs to be ingested and how frequently. without this information, this study should not be accepted.
The correct answer should be C, Sputum.
Answer:
It D thank you that person that gave the the answer God bless you if you want to make sure it D
Explanation:
B. exertes force against force is strength