How can GPS receivers and satellites be used to monitor plate ...

[V@ndy87]

How can GPS receivers and satellites be used to monitor plate motion?
 
  A) GPS receivers are placed on landmasses to track their locations.
  B) Satellites send lasers to measure the distance to continents.
  C) GPS receivers send signals to each other to see if the units are getting closer together.
  D) Satellites track seafloor spreading.

Question 2

Where is the top of the asthenosphere closest to Earth's surface?
 
  A) Along a mid-ocean ridge
  B) Above a deep mantle plume
  C) Along a transform fault
  D) Along a subduction zone

[nhea]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: A

[V@ndy87]

TYSM

[Dominic]

Excellent