Light that appears white or nearly white to humans is made up of a. only one color of light. b. no colors of light. c. all colors of light. d. only two colors of light.

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

Why is the melting of ice a physical change ?