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Author Question: Lavas erupting from composite cones are generally ________-rich, making them very viscous. A) ... (Read 50 times)

Alygatorr01285

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on: Jul 16, 2018
Lavas erupting from composite cones are generally ________-rich, making them very viscous.
 
  A) magnesium
  B) iron
  C) aluminum
  D) silica

Question 2

What kind(s) of lava generate a cinder cone?
 
  A) Andesite
  B) Andesite and rhyolite
  C) Basalt
  D) Basalt and andesite
  E) Andesite, basalt, and rhyolite


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thall411

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

Answer: D

Answer to Question 2

Answer: C


Alygatorr01285

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Reply 2 on: Jul 16, 2018
Excellent

Liddy

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Reply 3 on: Yesterday
Gracias!

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