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Question
In coastal area, wind current moves from the sea towards the land during day; but during night it moves from land to the sea. Discuss the reason. [2 MARKS]
In coastal area, wind current moves from the sea towards the land during day; but during night it moves from land to the sea. Discuss the reason. [2 MARKS]
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Solution
Explanation : 1 Mark each
During day :
During the day air above the land gets heated quickly and starts rising. This creates a region of low pressure as a result of which air from over sea rushes into this area of low pressure. This movement of air from one region to other creates wind that moves from the sea towards the land.
During night :
During the night as water cools down slowly, the air above water is warmer than the air on land. So, air moves from land to sea creating winds.
Explanation : 1 Mark each
During day :
During the day air above the land gets heated quickly and starts rising. This creates a region of low pressure as a result of which air from over sea rushes into this area of low pressure. This movement of air from one region to other creates wind that moves from the sea towards the land.
During night :
During the night as water cools down slowly, the air above water is warmer than the air on land. So, air moves from land to sea creating winds.
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