Thursday, June 4, 2009

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How does the Moon affect the tides on Earth?
How do the tides affect life in the bays and estuaries of Earth?


Does Mar’s Moon affect it in a similar way?


The gravitational attraction between the Earth and the Moon causes the tides on Earth. Tides are the rising of Earth’s water surfaces. The tides raise the water surfaces and then the water surfaces lower because of the changing position of the Moon relative to the Earth and also because the Earth rotates.

The tides affect life in the bays and estuaries on Earth as the life (organisms)present In the bays and estuaries that exist between the high water line and the low water line have to adapt to being out of the water part of the time and being covered by water at other times. Also some of these organisms provide food for humans and thus help human life exist.

The gravitational attraction between Mars and its moons (which are much smaller than Earth’s moon) does produce tidal forces, however since there is very little liquid water on Mars and no known form of life on Mars, its moons do not affect Mars in a similar way.

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