Answer:
A: by inventing the printing press
Explanation:
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Run-off from pavement or smooth rock during rainfall is much greater and faster than run-off from soil or other surfaces as there is little obstruction (friction) to the water flow. These surfaces also absorb very little water, meaning that there is a larger amount of run-off.
This means that waterways can have to deal with large intakes of water in a very short amount of time, often leading to flash flooding, as the waterway can not handle such a large amount of water at once.
12 months ! I hoped I helped you out !
Answer: The Romans
Explanation: I think the Romans were the greatest of the civilizations up until this point in history. Even after its fall, Rome still lived, not only with the Byzantine empire, but also on the influence it has left on our current world. The Romans were very advanced, and we have them to thank for our democratic form of government. Not only that, but they were skilled in warfare, more so than other civilization. They were able to control all of the Mediterranean Sea. With these skills, and the imprint they have left on Europe and the world, it can be concluded that Rome is therefore the greatest civilization thus far.