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What is the role of pressure difference in the Indian monsoon?

Answer and explanation

Correct answer: It affects direction and speed of winds

The direct answer is A: pressure difference affects the direction and speed of winds. Air tends to move from a region of relatively high pressure toward a region of relatively low pressure. In the Indian monsoon, seasonal heating creates differences between land and sea pressure. These differences help drive winds toward the heated low-pressure area and influence their speed; Earth’s rotation and other forces then modify their direction. Option A is correct because pressure difference is a basic cause of wind movement. Option B is wrong because a rain gauge measures rainfall; it is not another name for pressure difference. Option C is wrong because pressure differences do not remove mountains. Option D is wrong because they do not completely remove moisture; monsoon winds usually carry moisture from the sea. Memory cue: pressure difference creates the push that starts wind movement.

Related tags

Pressure DifferenceMonsoon WindsAir Movement

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