How does water at room temperature become gas?

Liquids can evaporate at room temperature and at an average air pressure. Evaporation happens when atoms or molecules release from the liquid and turn into a vapor. 

Proteins vitamins and a carbohydrate is a atom

Well, both latitude and intensity of light affect temperature because, the higher the light intensity, the higher the temperature and since latitude is the measure of how close you are to the equator, then the closer to the equator you are, the higher the temperature is.