On a dry day your hair is attracted to your brush. how would you explain this ?

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?