On a warm sunny aftemcon scean water splashed onto a rock. A short time later, the rock was dry which statement best explains what happened to the water on the rock

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.