Asolid substance turns into a liquid. which best describes this change?

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

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.