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Today, the annual rate of tectonic plates movement is observed and measured by satellites.
So, the answer is option A. Satellites.
~Hope this helps!
Answer:
it shows that a lot of our higher points like mountains used to be under water. it shows how the earth has change over billions of years
Explanation:
Answer: a) few earthquakes
Explanation:
The splitting of the earth's crust into large sections is called tectonic plates. Their movement and effects at plate boundaries can lead to earthquakes, volcanoes, mountain building, ocean ridges/trenches, subduction