It is called <span>Glaciology i hope this helps</span>
Answer:
Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. So, scientists study the path and speed of these waves through the earth to decipher boundaries and the materials that make up the layers.
Explanation:
D. Puerto Rico.
Puerto Rico, while not a US state, is a US territory.
It would be U.S. District Court (At least in the United States it is)
<span>The greatest annual number of thunderstorms in the united states occurs in...
Florida</span>
