Use reasoning to answer the following question.
A beaver can destroy a machines functionality if they build their dam in this?\nOptions:\n- strip club\n- pocket\n- millpond\n- ontario\n- lake or river

millpond
Millpond is a pool that is created by a milldam.

Milldam has the machines required to power a water mill.

Beavers building a dam in a millpond will stop the power generation.

Power generation is the functionality of the machine in milldam.

.

Final answer: millpond