is H2O2(aq) -> H2O(l) + O2(g) reversible why or why not and what is aq, l and g mean please explain and don't do links pleas thanks a lot

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.

Rays from the sun are not considered matter true or false

Salt in oceans comes from and of rocks