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Author Question: Kepler found the orbits of planets are ellipses, not circles. Indicate whether the statement is ... (Read 73 times)

jeatrice

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on: Jul 27, 2018
Kepler found the orbits of planets are ellipses, not circles.
 
  Indicate whether the statement is true or false

Question 2

Why do volcanic mountain chains, such as the Andes, accompany deep trenches like the Nazca Trench off South America?
 
  What will be an ideal response?


joechoochoy

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Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

When plate tectonics causes a denser oceanic plate beneath a moving continent, the basalt sinks down into a deep trench, but the heat of subduction causes molten magma to rise up under the edge of the continent, creating volcanoes.


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jeatrice

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Reply #2 on: Jul 27, 2018
Thank you!


joechoochoy

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Reply #3 on: Jul 27, 2018
Always glad to help...


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