Lawrence River area, and the central Mississippi River Valley. Other sections of this part of the country are prone to earthquakes, but can expect fewer quakes of smaller magnitude. Below is a map ...
Seismologists study earthquakes by looking at the damage that was caused and by using seismometers. A seismometer is an instrument that records the shaking of the Earth's surface caused by seismic ...
There's no doubt the dinosaurs were eating these things." Early angiosperms were low-growing, a fact that suited some dinosaurs better than others. "Brachiosaurs had long necks like giraffes ...