Answer:
15.False
16.True
17.True
18.True
19.True
20.False
Explanation: I am sorry if you get these wrong but im sure they are right.
The last on (the liver excretes excess cholesterol in bile)
Well I'd say true because fluorine helps build the outer shell of the teeth. It's basically scrubbing something like car polish. It helps build up protection for the teeth.
I think the answer is promoting supplements because veggies are a lasting way to stay healthy and supplements are not