name the agents of weathering
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water and wind are agents of weathering
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Explanation:
When rocks, land formations and minerals begin to break down and dissolve, it’s called weathering. After crumbling, the process of erosion transports these broken bits away by wind or rain. Agents responsible for weathering include ice, salts, water, wind and plants and animals. Road salt and acids represent a form of chemical weathering, as these substances contribute to the wearing away of rocks and minerals as well.
The agents of whethering are :-
- Physical whethering
- Freeze and thaw
- Chemical whethering
- Biological whethering
Physical Weathering
Erosion is a form of mechanical or physical weathering that occurs when the movement of a force like rain water or flood waters wear down the surface of rocks and carry the worn away parts to other areas.
Freeze and Thaw
Freeze and thawing presents another form of mechanical weathering. You can observe this in cold regions that experience below freezing temperature drops during the night, and then warm ups during the day.
Chemical Weathering
Chemical weathering, such as oxidation or hydrolysis, occurs when heat and moisture react with chemicals in the rock to change its properties. Oxidation occurs when oxygen creates a chemical reaction, like rust on iron, which makes the rock softer with time.
Biological Weathering
Biological weathering includes the effects of plant and animals on rocks and minerals. For example, an animal inadvertently kicks a rock down a hill where it breaks upon landing.
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