An ash fall occurs when volcanic ash is ejected into the ...

[TVarnum]

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.

[recede]

Answer to Question 1

F

Answer to Question 2

T

[TVarnum]

Thanks for the timely response, appreciate it

[jomama]

Gracias!