How would the contractile vacuole of a freshwater amoeba respond if the organism was placed in seawater

The vacuole would quickly shrink in size as water would leave the amoeba because of a higher salt concentration outside the cell.

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !

if you know your abc's you should be able to get your answer or just use google