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Tides are primarily a result of the____ ?

  • A.Attraction of the moon
  • B.Farrel's law
  • C.Ocean currents
  • D.Earth's pressure system

Answer: A

Tides are caused chiefly by the gravitational attraction of the moon, with the sun contributing about half as much.

The moon pulls the water nearest it into a bulge, and the water on the far side is left behind in a second bulge, so most coasts have two high tides a day.

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