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Slickster256

  • one year ago

1. Which layer of the Earth do Convection Currents occur in? (1pt) The mantle 2. Explain how these convection currents cause the crust of the Earth to move. (5pts) 3. According to the Theory of Continental Drift, what did the Earth’s continents look like 255 million years ago? What is the name of this landmass? (2pts) Like one big supercontinent. It was called Pangaea. 4.What is the Petoskey Stone and where was it found? (2pts) 5. How does the Petoskey Stone help prove the Theory of Continental drift? (5pts) 6. How does the shape and size of the continents today help support the Theory of Continental Drift? (5pts) If you cut out the continents, they fit together like a puzzle 7. Explain how looking at the magnetism of certain rocks helps support the idea that the continents have moved and changed over time. (5pts)

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  1. Rushwr
    • one year ago
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    1. I think it is the mantle !

  2. slickster256
    • one year ago
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    yea i just put my answers up

  3. Rushwr
    • one year ago
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    What about the 2nd one ???

  4. slickster256
    • one year ago
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    im not sure

  5. slickster256
    • one year ago
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  6. slickster256
    • one year ago
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    that might help

  7. Rushwr
    • one year ago
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    Read the 2nd para in that tab ! And write ur answer I'll check it for you !

  8. slickster256
    • one year ago
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    currents in the mantle occur because of convection?

  9. Rushwr
    • one year ago
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    the question asks u to explain how it happens ! SO it would be the rest of the 2nd para. U have to tell how the mantle slides and all. For a full answer u have to write everything in the 2nd para except for the phrase " current occur due to convection " okai ?

  10. slickster256
    • one year ago
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    or is it The cooler, upper portion of the mantle that is in contact with the crust sinks, while the hotter, lower portion of the mantle that is in with hotter liquid from the asthenosphere heats up and rises. This circular motion of the liquid rock disperses heat and causes the crust to move @Rushwr

  11. Rushwr
    • one year ago
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    yeah that's right!

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