Answer:
They are different
Explanation:
This is because one is primary and the other is secondary, there for pretty basic they're obviously going to be different
*sorry not a BIG eXpLaNaTiOn*
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:
The state that is the very closest to Washington state is the state California
It wont last very long because it will be used fast
