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Author Question: What might have made the original solar nebula begin to contract? A) the Big Bang B) the ... (Read 17 times)

APUS57

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on: Jul 27, 2018
What might have made the original solar nebula begin to contract?
 
  A) the Big Bang
  B) the formation of our arm of the Milky Way
  C) the shock wave from a nearby exploding star
  D) interstellar magnetism generated by pulsars
  E) the large amount of angular momentum in the nebula

Question 2

Based on its surface features, the most important event on Venus in the past billion years or so was
 
  A) a global repaving that erased essentially all the surface features that had existed earlier.
  B) the eruption of a giant volcano that formed one of Venus's continents.
  C) the impact of an unusually large asteroid that left a deep scar on one side of the planet.
  D) the onset of mantle convection, which caused Venus's lithosphere to split into plates like those on Earth.


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zacnyjessica

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

C

Answer to Question 2

A


APUS57

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

alexanderhamilton

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Reply 3 on: Yesterday
Excellent

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