The a0 slows runoff of rain water, to prevent floods and erosion.

Watershed

The watershed is an area of land where run-off rain water and snow drains downward and catches all the water downstream. With this, the watershed can help protect water supplies, nurtures the forest and wildlife, prevent soil erosion and destructive floods.

Therefore, it is the responsibility of the community to help protect the watershed by planting more trees and keep the area clean and free from water waste.

answer///cannot be totally predicted;

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