30. which of the following best describes what causes the seasons? (2 points)
the earth is closer to the sun in the summer and farther away in the winter.
the earth's tilt on its axis.
the sun is hotter in the summer than it is in the winter.
cold air from space cools the earth during winter.

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.