ice - a collective term for several mechanical weathering processes induced by stresses created by the freezing of water into ice.

Frost weathering is a collective term for several mechanical weathering processes induced by stresses created by the freezing of water into ice.

it is important to conserve water because there is very limited amount of freshwater here on earth and if we are not smart about how we use it we will only be runnning out of our supply faster than neccessarry.

the answer would be b i believe