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Author Question: A chemical or biogenic sedimentary rock consisting of microscopic quartz is called A) limestone. ... (Read 40 times)

c0205847

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on: Jul 16, 2018
A chemical or biogenic sedimentary rock consisting of microscopic quartz is called
 
  A) limestone.
  B) rock gypsum.
  C) chert.
  D) dolostone.

Question 2

Which of the following is true of dolomite, calcite and silica?
 
  A) Dolomite is not secreted by invertebrate animals for shells.
  B) It is not different in any way from calcite, but its molecules are arranged more tightly than silica's.
  C) It is not different in any way from silica, but its molecules are arranged more tightly than calcite's.
  D) They are all the same.


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onowka

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

Answer: C

Answer to Question 2

Answer: A


c0205847

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Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)

marict

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Reply 3 on: Yesterday
Excellent

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