how can you conclude that beavers build fairly strong dams?
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It can be assured by its sense of expert architecture planning.
The structure of the dam is made according to the pressure and direction of the water flow. It has been constructed in such a way that the walls are 2 to 3 feet thick and the roof is frost proof. Beavers especially use trees for the construction of dams. These dams becomes strengthen to the limit that it can only be attacked by a bear.
The structure of the dam is made according to the pressure and direction of the water flow. It has been constructed in such a way that the walls are 2 to 3 feet thick and the roof is frost proof. Beavers especially use trees for the construction of dams. These dams becomes strengthen to the limit that it can only be attacked by a bear.
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