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 for science today we are talking about floods and erosion they happen all the time people lie living in coastal cities. They help erode the coastal cities the constant beatings of the waves also usually they have a pipe or two going into the ocean at times and usually they are not just pumping water or anything else you pollute the water and take the land that animals used to go to. Like seal and animals like that, they have to go elsewhere to find the right type of water and place for them to live also why would you live by the coast usually you might almost quite a bit be hit by the almost always hurricane.