The correct answer is letter A. Rome was located on a large river that is why they built aqueducts and sewage systems that eventually paved the way for their great civilization. Water is the main source of agriculture, building, and health for the Romans. Today, a lot of the innovative machines we have are influenced by the Roman Empire.
The scientist who thought that the earth was the center of the universe was Nicolas Copernicus
Answer:
Observations and experiments.
Explanation:
The scientific revolution was mostly revolved around nature and physics so we use observations for nature and experiments for physics!
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The Crusades
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