Pls help asap thx alot​

D

and

A

Explanation:

I think 19 is c I could be wrong if I remember correctly

and 20 is possible A sorry that I can't be more sure about this but I think its right

the answer is (c

explanation:

i hope this : )

the maintenance of fluid balance during exercise. author information: fluid supplementation is necessary for exercise in which fluid losses must be offset by intake to avoid the negative effects of hypohydration on health and performance.