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Author Question: An ash fall occurs when volcanic ash is ejected into the atmosphere and settles to the surface. ... (Read 84 times)

TVarnum

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on: Jul 15, 2018
An ash fall occurs when volcanic ash is ejected into the atmosphere and settles to the surface. Indicate whether the statement is true or false.

Question 2

A lava tube is a hollow space left when the lava within a flowing tube drains away, leaving only the
  outside as hardened rock. Indicate whether the statement is true or false.



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recede

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Reply #1 on: Jul 15, 2018
Answer to Question 1

F

Answer to Question 2

T


TVarnum

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Reply 2 on: Jul 15, 2018
Excellent

parshano

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Reply 3 on: Yesterday
Gracias!

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