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sasho [114]
3 years ago
14

Help me answer question 1 and 2 for science class

Geography
1 answer:
vladimir2022 [97]3 years ago
4 0

Answer:

The North American Plate moves in roughly a southwest direction away from the Mid-Atlantic Ridge at a rate of about 2.3 centimeters (~1 inch) per year. At the same time, the Pacific Plate is moving to the northwest at a speed of between 7 and 11 centimeters (~3-4 inches) a year.

Explanation:

The fastest moving tectonic plate on Earth?

The Cocos and Nazca plates (in the pacific ocean) are right now the quickest, moving at over 10 cm/yr. However typical plate movements are less quick, at rates about 2-3 cm/yr.

How fast is the North American plate moving?

The North American plate is moving to the west-southwest at about 2.3 cm (~1 inch) per year driven by the spreading center that created the Atlantic Ocean, the Mid Atlantic Ridge.

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When plates move away from each other, they leave a gap.  That gap is filled with lava that solidifies quickly and forms now crust.  If the ocean floor is relatively shallow, and the lava pressure is big enough, that can lead to the formation of new islands, mountains/volcanoes on top of the gap.  That's basically how the Galapagos islands were created.

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