Abutments are the sides of the valley supporting the dam structure
Spillways can control the release of water from the reservoir
The toe of the dam is the upstream edge of the base of the dam structure
Galleries serve as passages through the dam
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The Correct Option isA, B, D
Solution and Explanation
The Correct Options are (A)(B)(D):Abutments are the sides of the valley supporting the dam structure, Spillways can control the release of water from the reservoir, and Galleries serve as passages through the dam