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Author Question: Why do chemical sedimentary rocks not contain silicates? A) Silicates are too heavy. B) ... (Read 76 times)

waynest

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on: Jul 16, 2018
Why do chemical sedimentary rocks not contain silicates?
 
  A) Silicates are too heavy.
  B) Silicates do not dissolve as easily as these other more strongly ionic compounds.
  C) Silicates are not abundant enough.
  D) Silicates melt too easily.

Question 2

Why can igneous rocks be distinguished from chemical sedimentary rocks based on composition?
 
  A) The composition of each rock results in different texture.
  B) The composition of each rock results in different colors.
  C) Igneous rocks, since formed underground, are made up of the same elements as chemical sedimentary rocks.
  D) Igneous rocks are primarily made up of silicates, which chemical sedimentary rocks don't contain.


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tennis14576

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

Answer: B

Answer to Question 2

Answer: D


waynest

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Reply 2 on: Jul 16, 2018
Gracias!

mohan

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Reply 3 on: Yesterday
Excellent

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