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Author Question: Concrete is a mixture of cement along with A) water. B) gravel. C) sand and gravel. D) sand, ... (Read 76 times)

Evvie72

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on: Aug 27, 2018
Concrete is a mixture of cement along with
 
  A) water.
  B) gravel.
  C) sand and gravel.
  D) sand, gravel, and water.

Question 2

The basic unit of silicates is
 
  A) SiO.
  B) SiO2.
  C) SiO3.
  D) SiO4.


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SVictor

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D


Evvie72

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Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

FergA

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Reply 3 on: Yesterday
Excellent

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