A hard, smooth surface (cardboard) reflects sound better than an uneven, soft surface (pillow). This is because the soft surface most of the sound.

Why is it incorrect to say that mitochondria function only as energy factories with cell

When plants use sunlight to make food, the energy of sunlight is

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.