Alissa and Marcus are members of the cross-country team. They remain hydrated and maintain a health diet during the entire season. Which of the following snack options is the best choice for these students? A. a candy bar
B. a bag of hot fries
C. puff cheese curls
D. apple and orange slices

B.

Explanation:

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.