Question

what is rock Dam please answer
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Answer 1

Answer: The topmost layer of the earth, the asthenosphere is made up of hard particles called rocks.

It is divided into three kinds

Ingenuous rocks

Sedimentary rocks

Metamorphic rocks

Rocks are used for fertilize of plants, for Statue and jewelry.

Answer 2

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Small barriers or dams constructed of stone, bagged sand or gravel, or other durable material across a drainage way. Purpose: To reduce erosion in a drainage channel by restricting the velocity of flow in the channel.

Rock-fill dams are one of two types of embankment dams, the other being earthen dams. These structures are effective because the force of the river or reservoir hits the impervious zone and is transferred to the firmly packed transition zone where water can slowly begin to filter through the dam.

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