erosion weathering deposition

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What is mechanical weathering?

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Mechanical weathering is the process by which rocks are physically broken down into smaller pieces without changing their chemical composition.

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What is humus?

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Humus is the part of soil made up of decayed parts of once-living things, contributing to soil fertility.

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What is a drumlin?

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A drumlin is a tear-drop-shaped hill created by the movement of ice over and around a till deposit.

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What is erosion?

Back

Erosion is the process by which water, ice, wind, or gravity moves weathered rock and soil from one place to another.

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What is abrasion in geology?

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Abrasion is the process by which rocks are worn smooth by the action of wind-blown particles or water.

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What are the main types of weathering?

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The main types of weathering are mechanical weathering and chemical weathering.

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How does chemical weathering differ from mechanical weathering?

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Chemical weathering involves the chemical alteration of minerals in rocks, while mechanical weathering involves physical breakdown without changing the chemical composition.

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What role does water play in erosion?

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Water can transport sediment and weathered materials, contributing significantly to the erosion process.

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What is the significance of soil in the ecosystem?

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Soil provides nutrients for plants, supports agriculture, and plays a crucial role in water filtration and carbon storage.

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What is the impact of wind erosion?

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Wind erosion can remove topsoil, degrade land quality, and contribute to desertification.