CBSE BoardEnglish MediumSTD 7Social StudiesAir3 Marks
Question
What is wind? Mention its different types.
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Answer
Wind is the movement of air from high pressure area to low pressure areas.It is divided into three types:
Permanent winds: The trade winds, westerlies and easterlies are the permanent winds. These blow constantly throughout the year in a particular direction.
Seasonal winds: These winds change their direction in different seasons. For example: monsoons in India.
Local winds: These winds blow only during a particular period of the day or year in a small area. For example: land and sea breeze. Loo is a local wind which hot and dry and blow in the northern plains of India during summers.
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