Water Quality & Distribution

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What is surface runoff?

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Surface runoff is water that flows over land and into a body of water, often after rain or melting snow.

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NGSS.MS-ESS2-4

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What do algae blooms consume that affects other aquatic life?

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Algae blooms consume oxygen in the water, which can lead to other aquatic life not being able to survive.

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Where can freshwater be found?

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Freshwater can be found in glaciers, rivers, and underground sources.

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What is a watershed?

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A watershed is an area of land that drains into a body of water.

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NGSS.MS-ESS2-4

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What percentage of Earth's water is saltwater?

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97 percent of Earth's water is saltwater.

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What is the main source of drinking water for most people?

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The main source of drinking water for most people is freshwater from rivers, lakes, and underground aquifers.

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What is the water cycle?

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The water cycle is the continuous process by which water moves from the Earth's surface to the atmosphere and back again.

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What is pollution?

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Pollution is the introduction of harmful substances into the environment, which can affect water quality.

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What is a water table?

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The water table is the upper surface of underground water, where the soil or rock is saturated with water.

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What is the importance of wetlands?

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Wetlands are important because they filter water, provide habitat for wildlife, and help control flooding.

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