What is a galaxy? a) all the billions of stars that exist in space b) a cluster of millions of stars in a definite pattern in space c) one or more planets orbiting around a star, similar to our sun d) a cluster of stars, planets, gas, and dust all held together by gravity

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.