Name these rocks

a hard and tough rock that contains large crystals.

a hard and strong rock with thin, flattened crystals packed tightly together.

a brittle rock that contains fine grains and layers with fossil remains.

a hard black rock with small crystals

Theories basic to all of the life sciences include the germ theory of disease. theory of evolution by natural selection. o two of these answers are correct none of these answers are correct o cell theory.

Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.