What part of. the cell theory is best illustrated by these three slides

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Is ice cream a mechanical mixture or solution why?