15. Which of the following choices correctly describes what happens to liquid water if its molecules slow down enough?
a. A physical change takes place as energy is removed, and it changes to a solid.
b. A physical change takes place as energy is added, and it changes to a gas.
A chemical change takes place as energy is added, and its temperature rises.
d.
A chemical change takes place as energy is removed, and it changes to a solid.

Explain what happens at the saturation point when adding salt to water at room temperature.

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.

What type of organic molecule comprises the majority of a potato?