Author Question: How can GPS receivers and satellites be used to monitor plate motion? A) GPS receivers are placed ... (Read 64 times)

V@ndy87 · **on:** Jul 16, 2018

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