True!!
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Brainliest?
Besides being a poignant Bob Marley song, Buffalo Soldiers were African-American U.S. Cavalry soldiers who helped to police western territories. Some legends hold that the name was given to the troops by Indians who questioned their appearance, but more credible scholarship says the name was given to them by Cheyenne warriors who equated their bravery and fighting ability with those of the buffalo.
Scientists<span> use waves to </span>study<span> the different </span>layers of the earth<span>. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. The seismic waves are bent, sped up, or slowed down, or even reflected when they pass through the </span>earth's layers<span>.</span>
The second great wall
i think