Assuming that hemoglobin (Hb) does not leave the cell and that all red blood cells start with the same amount of Hb molecules, compare the concentration of hemoglobin found within the cells that will change after they have been placed in each of the test solutions.

The diagram below shows the layers of a rock having a trilobite: a rock column labeled rock is shown. the column has three layers. the bottommost layer of the rock has one shaded rhomboid shape, the middle layer has a rhombus with a diagonal along with two identical organisms marked as, trilobite, in the key, the top layer has two semicircles. a key is shown on the right side of the diagram. the shaded rhombus is marked as a, the rhombus with the diagonal is marked as b, the semicircle is marked as c which statement about the rock fossils is true?