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Author Question: Air may best be described as: A) a compound. B) an element. C) a mixture. D) one of four basic ... (Read 181 times)

SO00

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on: Jul 14, 2018
Air may best be described as:
 
  A) a compound.
  B) an element.
  C) a mixture.
  D) one of four basic substances that composes all things.

Question 2

What is the average rate of seafloor spreading in modern oceans?
 
  What will be an ideal response?


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Viet Thy

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Reply #1 on: Jul 14, 2018
Answer to Question 1

C

Answer to Question 2

5 centimeters (2 inches) per year.


SO00

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Reply 2 on: Jul 14, 2018
Great answer, keep it coming :)

frankwu0507

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Reply 3 on: Yesterday
Wow, this really help

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