Which of the following best describes how friction affects motion? A
Friction makes motion between two touching surfaces much easier.
Sliding friction makes running on a windy day much harder on your body.
-АВ
Rolling friction makes moving through liquids feel like very hard work.
D
Friction makes motion between two touching surfaces more difficult.

D

Explanation:

when there is a pull against something it slowd it down

the answer is c.mitochondria. glad to .

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.