The statement, “energy can neither be created nor destroyed, but can change from one form to another,” is blank. the first law of thermodynamics

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

Which statement best describes the direction of the buoyant force on any object? a. opposite the force of gravity b. in the same direction as the weight c. in the direction of motion of the object d. opposite the direction of motion of the object

Aforce is a vector quantity because it has both?