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Author Question: How do mineral substitutions occur? A) If minerals deep within the Earth's surface melt, elements ... (Read 216 times)

pragya sharda

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on: Jul 16, 2018
How do mineral substitutions occur?
 
  A) If minerals deep within the Earth's surface melt, elements may mix together and substitute within mineral structures.
  B) If minerals in water dissolve, elements may mix together and substitute within mineral structures.
  C) Elements that do not have similar ionic charge or size often attract each other and substitute within mineral structures.
  D) Elements with similar ionic charge, size, or both substitute for each other within mineral structures.

Question 2

Why does lead have so many industrial uses?
 
  A) It is extremely cheap to mine and process.
  B) It has very strong bonds, making is a valuable hard mineral used for vehicles.
  C) It is a metal, and therefore is an excellent conductor of electricity and is used for power lines.
  D) It can be easily cast, molded, and shaped, as well as be used for its chemical properties in glazes, batteries, and gasoline.


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ynlevi

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

Answer: D

Answer to Question 2

Answer: D


pragya sharda

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

mammy1697

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Reply 3 on: Yesterday
Excellent

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