Answer:
with out matter there wouldnt be a universe
Explanation:
everything is made up of matter without it there would be nothing.
Well in this period, it is considered the old stone age and for good reason, as this era is characterized by the use of rudimentary chipped stone tools. Basically it was the era when human started using tools that were made from stone. Or in other words, innovated.
While it was Copernicus who founded and developed his theory about the sun being the center of the universe instead of the earth, Kepler followed through and strengthened this theory. Copernicus' issue was that the shapes of the celestial bodies were considered to be circular, but measurements could not support it. Kepler, meanwhile, was able to determine that it was an ellipse.
Kepler advanced Copernicus' work.
Answer:
number 2 hope it helps :)