bullying, online bullying. underage girls sending bad pictures , trump wanting to build a wall.
Answer:
Earthquakes are measured using instruments called seismometers, that detect the vibrations caused by seismic waves as they travel through the crust. Seismic waves can be both natural (from earthquakes) or caused by human activity (explosions).Yes, some people say they can predict earthquakes, but here are the reason.
The study of the movement of lithospheric plates comprising the earth's crust is called plate tectonics.
It was the most accurate calendar of the time!
