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Author Question: Which of the following did not happen to Earth's original rocks? A) They formed the base rock for ... (Read 81 times)

Ebrown

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on: Jul 16, 2018
Which of the following did not happen to Earth's original rocks?
 
  A) They formed the base rock for some of Earth's highest mountains.
  B) They were recycled in the rock cycle.
  C) They were consumed by erosion.
  D) They were consumed by plate tectonics.

Question 2

What happened to the leftovers from the formation of our solar system?
 
  What will be an ideal response?


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dudman123

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Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: Not all planetesimals and embryos accreted to form planets. Many of the small objects left in the inner solar system fell into the Sun. Hundreds of other objects were flung to the outer edges of the solar system to form sort of a planetary junkyard called the Kuiper BeltSeveral dozen embryos escaped further collisions to become the moons trapped by the gravitational field of various planets. Some of the leftover debris still spins as rings around the outer planets, most notably Saturn. In addition, a cluster of irregularly shaped, rocky planetesimals called asteroids form an orbiting belt between Mars and Jupiter.


Ebrown

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Reply #2 on: Jul 16, 2018
Thank you


dudman123

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Reply #3 on: Jul 16, 2018
No problemo


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