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The moisture comes from the water vapor in the air. As the temperature drops to near the dew point, the water vapor condenses on cold surfaces in the desert.

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Does dew form when water evaporates?

Dew is formed by condensation.


Is dew common in deserts?

Dew formation in deserts is less common compared to other regions due to the arid climate and low humidity levels. Dew forms when the temperature of the surface cools down to the dew point temperature, causing water vapor in the air to condense into liquid water droplets. In deserts, the temperature often drops rapidly at night, but the low humidity levels limit the amount of water vapor available for condensation, resulting in less frequent dew formation.


What water in a dew drop comes from what?

light rain


Why is dew not common in desert areas?

Deserts generally have very low humidities. For dew to form, the relative humidity would have to be at, or very near to, 100%. That is a rarity in a desert.


What are drops of water that form on cool surfaces during the night called?

DEW


The drops of water that form on surface near the ground?

These are called dew drops. They form when the temperature of the surface cools down causing water vapor in the air to condense and form small droplets of water. Dew is more likely to form on clear, calm nights when the temperature drops close to the dew point temperature.


What are the drops of water that form on cold surfaces during the night called?

Those drops of water are called dew. Dew forms when the temperature of the surface cools down and reaches the dew point, causing water vapor in the air to condense and form small droplets.


When the ground has enough moisture and the temperature reaches the dew point what happens?

When the temperature comes down to the dew point, the air can support no more water vapour and the dew begins to to form. Air can absorb more water vapour as the temperature rises, so the difference between the dew point and the actual temperature gives a measure of the humidity.


Under what conditions would dew not form?

Dew forms when the temperature drops to the dew point, causing water vapor in the air to condense into liquid water on surfaces. Dew may not form if the air temperature does not cool enough to reach the dew point, if there is insufficient moisture in the air, or if the surface is not conducive to dew formation (e.g., if it is warm or if there is strong wind).


Why does water form on the outside off a cold can?

Water vapor in the air comes into contact with the cold surface of the can, causing it to condense into liquid water. This is similar to how dew forms on grass in the early morning.


Where is dew most likely NOT going to form?

Dew is less likely to form in dry environments, such as deserts and arid regions, where the air is typically dry and temperatures can fluctuate greatly between day and night. In these areas, the conditions are not conducive for dew to form due to the lack of moisture in the air.


What do water droplets from the air form?

water droplets in the air form rain which is part of the water cycle