Tabulate your answers about pure substances.

What material does not melt at any temperature

What is the mass of 0.46 mil of mgcl2

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d