Answer would be Washington
They use a seismograoh that records the times it takes the waves to get to different distances from the earthquake. Thus helping them to map the density of earth interior.
hope this helps!
Answer:
About 70% of Earth is water
Explanation:
30% is made up of landmass
Answer:
32
Explanation:
4 times the width and the width is 8 m the area is 32
