The fall of the Roman republic was mainly caused by the political instability.
Well all living organisms require oxygen to survive, and all bodies of water on this planet are usually heavily oxygenated, which im guessing is where the underwater plants get all their nutrients from. hope this helps!
I think 1492. but i could be wrong.
Answer: The ancient Greek philosophers, whose ideas shaped the worldview of Western Civilization leading up to the Scientific Revolution in the sixteenth century, had conflicting theories about why the planets moved across the sky. One camp thought that the planets orbited around the Sun, but Aristotle, whose ideas prevailed, believed that the planets and the Sun orbited Earth. He saw no sign that the Earth was in motion: no perpetual wind blew over the surface of the Earth, and a ball thrown straight up into the air doesn’t land behind the thrower, as Aristotle assumed it would if the Earth were moving. For Aristotle, this meant that the Earth had to be stationary, and the planets, the Sun, and the fixed dome of stars rotated around Earth.
Explanation:
I could not understand the question but i was able to understand it enough to get that. I had the same question back when i was in grade school. You'll get it, it just takes time. Hope it helps :)
