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.
Henry Ford was an American industrialist. And he developed and manufactured the first automobile that many middle class Americans could afford Albert Einstein was a German-born theoretical physicist. He developed the general theory of relativity, one of the two pillars of modern physics.
Being a barb purrrrrrrrrrrrr...
Native Americans in the United States fall into a number of distinct ethno-linguistic and territorial phyla, whose only uniting characeristic is that they were in a stage of either Mesolithic (hunter-gatherer) or Neolithic (subsistence farming) culture at the time of European contact.
They can be classified as belonging to a number of large cultural areas:
<span>Continental US</span>
