Sunday, December 27, 2009

On a clear, calm morning, water condenses on the ground in a thick layer of dew. As the water slowly evaporate?

On a clear, calm morning, water condenses on the ground in a thick layer of dew. As the water slowly evaporates into the air you measure a slow increase in dew point. Explain why.On a clear, calm morning, water condenses on the ground in a thick layer of dew. As the water slowly evaporate?
Dew point is an indicator of the amount of moisture content in the air.As the water slowly evaporates from the surfaces(where dew forms),it enters the air as water vapor increasing the moisture content of the air.So,dew point which depends upon this water content also increases.On a clear, calm morning, water condenses on the ground in a thick layer of dew. As the water slowly evaporate?
Because when a liquid transform to a gas it absorbs heat thus lowering the air temperature and raising the dew point.

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