In a dam a hole is formed through which water flows. why will it be more difficult to plug the leak if the hole is located at the bottom of the dam than if it is at the top?

In a dam a hole is formed through which water flows. why will it be more difficult to plug the leak if the hole is located at the bottom of the dam than if it is at the top?
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Answer :

Because the pressure of the water is a lot stronger at thebottom of the water and a lot less strong closer to the surface ofthe water
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