The heat energy required to change a unit mass of a solid into a liquid at constant temperature is called

Which statement about sound is not true? a. air particles travel with sound waves. b. sound waves cannot travel through a vacuum. c. sound waves exist even if no one hears them. d. air particles vibrate along the path of a sound wave.

What are the similarities of physical and chemical change ?

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?