How much does it cost to build a weir?

Why do most things float in the Dead Sea? Why did the Japanese attack Sydney harbor in 1942? What is the economy for the blue ridge region? What war was over sailing rights in the mediterranean sea? Did the great lakes flood? Where is the National Quilt Museum in Paducah Kentucky located? What is deeper oceans or sea? How has a lemur adapted to live in a rainforest? Where is the Bootsma Tractor Museum in Baker City Oregon located? How do you attack a castle with catapults? What ocean has more fish the Atlantic or picific? Which country is known as mistress of sea? Which region would you find the grand canyon in? What animals live in and near Lake Oconee Georgia? What is a tropical grassland with only a few scattered trees? What is the eight wonder of the world made of? What mountain range runs parallel to the Mediterranean sea from Lebanon into syria? How long is the drive from Washington DC to Cedar Point? How did the migration through the rain forest change the way the Bantu farmed and raised animal? What direction does the water flow in the Suez Canal South or North?