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A dam for water reservoir is built whick...

A dam for water reservoir is built whicker at the bottom than at the top because:

A

Quantity of water increases with depth

B

Density of water increases with depth

C

Pressure of water increases with depth

D

Temperature of water increases with depth

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The correct Answer is:
C
A torque, acting on the wall of the dam is trying to make it topple. The bottom is made very broad so that the dam will be stable.
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