<span>Chester A. Arthur was the 21st president of the United States. Arthur didn't have to worry too much about a campaign because he succeeded James Garfield when he was assassinated.</span>
A tectonic plate is a piece of Earth’s crust. There are about 15 of them on earth. Their movement sometimes brings earthquakes or volcanoes. That’s why most earthquakes are located on the border of two plates. They move a few centimeters a year, because the inner layer of the earth, consisting of soft “liquid” rocks, are moving because the difference in temperature between the earth's core and the earth's surface.
Answer:
I Believe A if its incorrect I'm sorry.
Explanation:
