What is the best way to make a supersaturated solution? A. Heat the solution
B. Cool the solution
C. Stir the solution
D. Evaporate the solution

What is the density of the black hole

How many grams are in 68.2 molecules of br2?

Which of the following statements is true? a. most heat energy is easily recovered and used for useful actions. b. friction causes molecules to vibrate more slowly. burning air and gasoline in an c. engine changes chemical energy into mechanical energy. it is impossible to d. change mechanical energy into mechanical energy.