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Author Question: When magma forms, it rises up through the crust. Why does magma rise? A) It is forced upward by ... (Read 76 times)

kellyjaisingh

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on: Jul 16, 2018
When magma forms, it rises up through the crust. Why does magma rise?
 
  A) It is forced upward by pressure from the Earth's interior.
  B) It is less dense.
  C) It is uplifted by tectonism.
  D) It is forced out by volcanism.

Question 2

If an igneous rock is heated, which mineral will be the very last mineral left to melt according to the Bowen's reaction series?
 
  A) Quartz
  B) Pyroxene
  C) Potassium feldspar
  D) Olivine


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skipfourms123

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

Answer: B

Answer to Question 2

Answer: D


kellyjaisingh

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Reply 2 on: Jul 16, 2018
Wow, this really help

adf223

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Reply 3 on: Yesterday
Excellent

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