The Answer is A. The presence of sodium potassium pumps has nothing to do with water moving in and out of cells.
most of a atoms mass is in the nucleus of the atom:) hope this helps you
Cohesion is water sticking to water. adhesion is water sticking to another thing, think of it as you're adding something to the water molecules. add-hesion
The outermost layer of the Earth is called the crust.
