Answer:
people form political units such as countries of states to make governing more effective.
Earth scientists use GPS to monitor earthquakes and the shifting of the earth's tectonic plates. ... Satellite builders use GPS receivers to track the positions of their satellites. GPS is being installed in automobiles so that drivers not only can find out where they are but also can be given directions.
Answer:
it is not possible to have an earthquake of 10 but if this were to happen there would be a tsunami and groud motions for about an hour
