Answer:
what is this a riddle lol it breaks when he either jumps or lands
Explanation:
15 km 30 divided by 4 is 7.5 km in 30 min times that by 2 the answer is 15
Answer:
That the Sun was the center of the universe.
Explanation:
Ptolemy believed in geocentrism, which means that the Earth is the center of the Universe. This was also supported by Aristotle. Copernicus on the other hand believed in a heliocentric system, which proposes that the sun is the center of the universe.