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Author Question: Coal primarily comprises ________. A) rocks B) crystals C) inorganic matter D) organic ... (Read 83 times)

TFauchery

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Coal primarily comprises ________.
 
  A) rocks
  B) crystals
  C) inorganic matter
  D) organic matter

Question 2

Mud cracks and ripple marks are common features of ________.
 
  A) sedimentary rocks
  B) igneous rocks
  C) metamorphic rocks
  D) minerals



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bigsis44

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Answer to Question 1

Answer: D

Answer to Question 2

Answer: A




TFauchery

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Reply 2 on: Jul 14, 2018
:D TYSM


EAN94

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Reply 3 on: Yesterday
Gracias!

 

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