GPS units, satellites, and lasers are some of the tools used to ...

[leo leo]

GPS units, satellites, and lasers are some of the tools used to monitor the ________ of the volcanic flanks, which indicates magma accumulating in the magma chamber.
 
  A) gas content
  B) temperature
  C) inflation
  D) mineral content

Question 2

Along which tectonic boundary will chains of composite cone volcanoes be located?
 
  A) Convergent boundary
  B) Divergent boundary
  C) Transform boundary
  D) Mantle plumes

[vish98]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: A