The focus of an earthquake is the point underground where rocks first begin to move. Seismic waves travel outward from the earthquake's focus.
Hello! The Three-Fifths Compromise addressed the issue of counting the population, so that there would be proper representation. Slaves votes would be counted as three-fifths of a person. With a lot of people in the U.S., it would be pretty much impossible to get the exact population. It was a controversial issue that had mixed opinions by the delegates. There were many of those that argued against slaves being counted at all.
Fossils help scientists date rocks: True
Sometimes younger rock layers are found beneath older rock layers: True, because it happens with landslides and other causes.
No fossils from the Precambrian era have been found because there were no organisms at the time: False because there were organisims like algae and bacteria, and there are a very small amout of fossils from that era.
The map of Earth has changed over millions of years, but is now set: False
I think it's B but I'm not to sure. hope that at least kinda helps.
Answer:
Explanation:A region can be defined as a geographic area that has some consistent features or characteristics throughout. Regional boundaries are places where those features or characteristics change.