A person's blood has 98% water and 2% dissolved solids, and the blood cell itself has 98% water and 2% dissolved solids. What is the movement of water in and out of the cell?
movement of water into the cell only
movement of water out of the cell only
no movement of water
equilibrium

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

your spelling is a little off : ]

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.