Answer:
A.
Explanation:
I'd honestly say A because let's say you swung your hand in the air very fast once, the air around you would swoosh the other way because of the fast movement as well as it moving forward. So I'd say both directions release energy since movement happened. Correct me if I'm wrong
That would be the circulatory system.... hint the word circulation.
Answer:
The SimCell will expand due to net movement of alcohol into the cell
Explanation:
Since the SimCell is only permeable to alcohol and not water, only alcohol can move in and out of the cell. Hence, if a SimCell that contains 20% alcohol and 0% water is placed in a solution containing 40% alcohol and 60% water, there would be a net movement of alcohol from the surrounding solution into the SimCell till equilibrium concentration of alcohol is established between the SimCell and the surrounding solution.
<em>Therefore, the SimCell will expand due to the net movement of alcohol into the cell.</em>
" Up " or " against " a concentration gradient means from low concentration to high concentration. Moving in this direction requires some sort of en else.