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 ^^*.
Not very. The Great Plains was the last place to get settled.
Answer & Explanation:
Many people in California figured gold was there, but it was James W. Marshall on January 24, 1848, who saw something shiny in Sutter Creek near Coloma, California. He had discovered gold unexpectedly while overseeing construction of a sawmill on the American River.
Answer:
The Roosevelt Corollary.
Explanation:
This policy declared that the U.S. was allowed foreign interference in Latin American countries in order to protect their democracy nd prevent other nations such as ones from Europe from going in and taking over or exploiting them.
Answer:
The First Amendment of The Constitution!
Explanation: