Condensation
Information and definition of condensation process. Learn in which conditions it occurs.
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Dew is also a source of water. It has both useful and harmful effects to plants.
Dew
Dew is the moisture that coats objects near to the Earth's surface, such as stones and blades of grass. On a still, clear night, such objects lose the heat they have gained from the Sun by day. The air next to the objects is also cooled, until it reaches its dew point. This is the temperature below which the air is unable to hold all of its moisture in the form of water vapor (which is a gas).
Below the dew point, water vapor begins to condense and it turns back into a liquid, in the form of water droplets. These droplets are deposited as dew. In some parts of the world, dew provides more water than rain.
