The idea of the sun in the middle of the solar system with plants orbiting around it originated with whom

The answer is Galileo and the theory is heliocentric. Hope this helps!

I believe someone else has answer this question but the answer is Nicolaus Copernicus because he propsed this idea in his book: "On the Revolutions of the Heavenly Spheres."

the cost of college has risen faster than inflation for many years.

the high price of student services and administration are two reasons for the rapid increase in cost.

c) troops march forward in close formation against newer, more accurate weapons