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Filtering Water

Excavated dam...

Question

Excavated dams are made by scooping out soil to make large shallow pits. [3 MARKS]

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Solution

Each point: 1 Mark

1. Excavated dams are made by scooping out soil to make a large shallow pit.
2. These dams are sometimes placed at the bottom of a slope to aid water collection.
3. However, this can only be done in areas where the soil will not allow the water to drain away very easily through the ground.

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