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 region that produces about 70% of the worlds desalinated water is the middle east
950 multiplied by 96 equals 91,200.
