How can people make profit from waterfalls?

For whom was the state of Georgia named? How can rivers be dangerous? What is the name of the first castle built called? What are popular lakes and rivers for Arkansas state? What colors are the flags at Six Flags? Why does the Nile rise? The triangle area at the mouth of the nile just before it empties into the ocean? How does a student calculate the gradient of a mountain stream? What is the meaning of holy of holies? Where is Dam Square? What can you infer about how long the moon has been without water? Where is the island of manhatten? Does the ocean tide rise at day or night? What are some of the National Parks in Alaska? What are the main buildings of the Smithsonian complex? What do you think is the most important insight that moma day gains during his pilgrimage from Yellowstone to his grandmothers grave at rainy mountain? What is fortified wine from Atlantic Island called? How can Farming techniques result in habitat loss? Which continent border the Atlantic ocean? What clues indicate that the old man is more than he first appears to be from breaker's bridge?