Answer:
Beavers and their dams play an important role in nature. Because of the dramatic effects their dams have on surrounding ecosystems, these mammals are considered a keystone species. By constructing dams they create wetlands -- lush environments which attract fish, ducks, frogs and other creatures.
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Answer:
May be yes
Explanation:
They may have a crush on humans.
Answer:
The diffusion of water is called osmosis.
Explanation:
<u>Osmosis</u><u> </u><u>is</u><u> </u><u>a</u><u> </u><u>type</u><u> </u><u>of</u><u> </u><u>diffusion</u><u> </u><u>in</u><u> </u><u>which</u><u> </u><u>water</u><u> </u><u>molecules</u><u> </u><u>diffuse</u><u> </u><u>through</u><u> </u><u>a</u><u> </u><u>particular</u><u> </u><u> </u><u>permeable</u><u> </u><u>membrane</u><u> </u><u>of</u><u> </u><u>high</u><u> </u><u>water</u><u> </u><u>concentration</u><u> </u><u>to</u><u> </u><u>areas</u><u> </u><u>of</u><u> </u><u>lower</u><u> </u><u>water</u><u> </u><u>concentration</u><u>.</u>
Answer:
Cold, dense air squeezes its way through the warmer, less-dense air, and lifts the warm air. Because air is lifted instead of being pressed down, the movement of a cold front through a warm front is usually called a low-pressure system.
Explanation:
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