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 ^^*.
The division of Korea into two nations after WW II
<h2><em>A. is your answer.</em></h2><h2><em>Hope this helps and have a nice day! o/</em></h2>
The answer to this question would be A) or the first option.
The correct option is D.
The development of agriculture opened the way of civilization for native Americans in Mexico and South America. The cultivation of maize in large quantity especially brought about trading with neighboring cities and towns and open up irrigation system and increased the population density of Mexico and South America.