4. what happens to energy during the formation of a solution?
a it is only released.
b it is neither released nor absorbed.
c it is only absorbed.
dit is released or absorbed.

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance

What does the law of conservation of mass state?