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What Causes Winds?

Answer – Differences in temperature between different parts of the Earth’s surface causes winds.

Explanation:

The Earth is round and its axis is at an angle to the Sun’s rays. The surface of the Earth is also not even, with some parts covered in water. Even the land is not flat and smooth, and instead has several features. All this results in different sections of the Earth heating up to different temperatures by the Sun’s rays. This, in turn, causes the atmosphere around the Earth to also not heat up uniformly. 

Air at different temperatures behaves differently. Hot air rises up, while cold air descends and occupies lower levels of the atmosphere.

When hot air rises up, an imbalance in pressure is produced—the pressure in the place it had previously occupied drops in temperature. To address this imbalance, cold air from a neighboring region rushes to replace the hot air that has risen up. This movement of air is known as wind.


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