How high above the sea level is the source of the river zambezi?

The regular swells that come to an ocean beach a calm day are most likely to have originated from? What is the value of Peter Ellenshaw's 1953 painting Moonlight Sea? Are amphibians found in the desert? When was Barnum's American Museum created? Which country is weisshorn located? What is the world's busiest sea passage in Europe? How tall is the George Washington bridge? What oceans borders french Polynesia? What happens to sand castles? What museum is the monalisa in? Who helped liberate Venezuela Colombia Panama and Ecuador? Which two cities does the channel tunnel conect? Why is the sea of Galilee below sea level? How was Jefferson River named? Where is the Doll House Museum in Marysville Kansas located? What did Vasco Nunez discover? Why did Smithson use the spiral shape for his land art? How many castles are in carcassonne? The rocks and stones found near the banks of fast flowing rivers are mostly smooth and round. why? What can the government do to help the ocean?