please help me with this question: Tamika is babysitting and wants to make jello with the kids. She has to heat the water before adding the

please help me with this question: Tamika is babysitting and wants to make jello with the kids. She has to heat the water before adding the jello mix, If she heats the mixture to 50°C, how do the molecules move? Select ALL that apply.

A.
The hotter molecules move faster than the colder molecules.

B.
The hotter molecules move towards the surface of the mixture.

C.
The hotter molecules move towards the bottom of the mixture.

D.
The hotter molecules move slower than the colder molecules.

E.
The colder molecules move towards the surface of the mixture.

F.
The colder molecules move towards the bottom of the mixture.