In sedimentary rock the oldest fossils would be expected to be found
a. in the top layer of rock
b. in the middle layers of rock
c. in the bottom layer of rock
d. spread throughout all of the layers of rock

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

How do living things obtain phosphorus

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.