What layer of the earth is solid and rocky?

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

Why do oceanic plates tend to subduction when colliding with a continental plate

Ihave made a synthetic cell by placing a solution that is 10% sodium chloride inside a semipermeable membrane through which water can pass but not sodium chloride. if i place this cell into a solution that is 20% sodium chloride what will happen to the size of the cell? will it increase, decrease, or stay the same in size?