Alfred Wegener produced evidence in 1912 that the continents are in motion, but because he could not explain what forces could move them, geologists rejected his ideas. Almost 50 years later Harry Hess confirmed Wegener’s ideas by using the evidence of seafloor spreading to explain what moved continents.
I think your answer is Mauritania.
Over the past 50 years, six Nile Basin countries have built 25 hydroelectric dams.
The correct answer for the question that is being presented above is this one: "Gilded." When the house in the photo above was constructed in the early 1900s, it belonged to a wealthy family. Today, it is located in a very poor neighborhood in <span>the city of Los Angeles. The process by which this occurred is called gilded.</span>