Watershed Pollution

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What is a watershed?

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A watershed is an area of land where all the water that falls on it drains into a common body of water, such as a river, lake, or ocean.

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What is watershed pollution?

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Watershed pollution refers to the contamination of water bodies within a watershed due to harmful substances from human activities, affecting water quality and aquatic life.

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What are common sources of watershed pollution?

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Common sources include agricultural runoff, industrial discharges, sewage, stormwater runoff, and littering.

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How does soil erosion affect watersheds?

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Soil erosion can lead to increased sediment in water bodies, which can harm aquatic plants and animals by reducing light penetration and disrupting habitats.

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What is sedimentation?

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Sedimentation is the process by which particles settle out of water, often leading to the accumulation of sediments in rivers and lakes.

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What role do plants play in preventing soil erosion?

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Plants help anchor the soil with their roots, reducing the likelihood of erosion by wind and water.

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What is the impact of animal waste on watersheds?

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Animal waste can introduce harmful bacteria and nutrients into water bodies, leading to pollution and health risks for aquatic life and humans.

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What is a septic tank?

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A septic tank is an underground chamber used to treat and dispose of sewage from homes, but it can pollute groundwater if not maintained properly.

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What are pathogenic bacteria?

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Pathogenic bacteria are harmful microorganisms that can cause diseases in humans and animals, often found in contaminated water.

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How can construction activities lead to watershed pollution?

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Construction activities can disturb soil, leading to increased erosion and sediment runoff into nearby water bodies.