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Hello, we are Tiara, Irene, Tomas, and Nico.

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And we are going to explain the parts of the river.

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The source is the beginning of the river.

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It's the faster part of the river.

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Then goes to the middle course.

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The water goes to the middle course.

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It's the part where the water is lower.

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Sometimes we have tributaries that are tiny rivers

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that flow into bigger rivers.

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They mostly flow into the middle course.

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The mouth is when the river is involved.

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This is the...

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Butterpot!