Answer:
None would be possible without the discovery of x-rays.
Explanation:
The biggest difference between MRI and CT scans is that MRIs use radio waves while CT scans use X-rays, CT scans use X-rays while MRI scans use strong magnets and radio waves. * You're welcome ^^*.
Sojourner Truth,<span> a famous figure of the anti-slavery movement, gave speeches criticizing slavery throughout New England and the West, drawing large crowds wherever she went.</span>
Hernan cortes was aided by Spain to get gold and silver from the Aztecs or just to explore then he found the Aztec empire. He wasn't aided very well in troops, so sense they carried small pox the Aztecs got infected which killed a big majority of them while the conquistadors also attacked. <span />
