Which of the following correctly describes what happens to the kinetic energy of water when it changes from steam to a liquid? There is no change in the kinetic energy of the molecules.
The kinetic energy of the molecules increases.
The kinetic energy of the molecules decreases.
The kinetic energy of the molecules increases then decreases.

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

Stage in which a star’s outer layers have started to cool and grow outward?

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.