chapter 7 lesson 3 questions
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1. The theory that proposes that Earth's surface is broken into moving, ridged plates called ____________ | show 🗑
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show | divergent plate boundary- forms where two plates seperate, transform plate boundary- forms where two plates slide past each other, convergent plate boundary- forms where two plates collide
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3. Explain why mantle convection occurs | show 🗑
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4. Tectonic plates move because | show 🗑
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5. Name the type of boundary between the Eurasian plate and the North American plate | show 🗑
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show | Cause: air that is more heated rises, and gets replaced by air that is cooler. Effects: earthquakes and volcanic eruptions
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show | At greater depths, the plate gets hot enough to cause earthquakes.
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8. Two plates in the South Pacific separate at an average rate of 15 cm/y. How far will they have separated after 5000 years? | show 🗑
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