Geography
(i) How is dew formed?
(ii) How is frost different from dew?
(iii) Why is fog commonly formed in the winter season?
Humidity
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Answer
(i) When cold air holding moisture, comes in contact with objects like flowers, leaves, glass particles etc., it condenses to form tiny drops called dew.
(ii) Dew is in liquid state and is found at places having low temperatures while frost is in solid state and found in places having temperature below 0°C. Dew is not harmful for crops while frost is very harmful for crops and plants.
(iii) Fog is formed when warm and moist air moves along the surface of colder region. Its temperature goes down to dew point. Thus, fog is commonly formed in the winter season.
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