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Author Question: Which of the following describes erosion? A) the excavation of bowl-shaped depressions by ... (Read 94 times)

meagbuch

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on: Jul 27, 2018
Which of the following describes erosion?
 
  A) the excavation of bowl-shaped depressions by asteroids or comets striking a planet's surface
  B) the eruption of molten rock from a planet's interior to its surface
  C) the disruption of a planet's surface by internal stresses
  D) the wearing down or building up of geological features by wind, water, ice, and other phenomena of planetary weather

Question 2

What is the source of luminosity for protostars that have not yet become hot enough for fusion in their cores?
 
  A) light absorbed from nearby stars B) energy released by infalling matter
  C) fusion in their low-density outer layers D) fission from concentrated radioactive elements


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kristenb95

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

D

Answer to Question 2

B


meagbuch

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Reply 2 on: Jul 27, 2018
:D TYSM

LegendaryAnswers

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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