The answer for you question is this:
B)Schist
I think it's letter B. When an object freezes, such as ice, their molecules will be contracted due to the molecules that looses kinetic energy. When there is a lose of kinetic energy, then the temperature is cold. So the answer is contraction because it causes the molecules to freeze.<span />
Developed along waterways so that settlers could have access to water for crops and food
