Which process mitosis or meiosis repairs skin following sunburn

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Which of the following is an advantage of solar energy?

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.