What are Rivers that are wide and deep called?

How much does the Pacific plate move each year? What are the 10 characteristics of tourism? Would you expect the Niger river to have as many waterfalls as the Zambezi river why or why not? Why after a root canal a tooth still hurts when its pressed on? What is the point where a tributary joins a main river? Where is the Fairbury City Museum in Fairbury Nebraska located? Which of the south Atlantic States do not border the Atlantic ocean? What is the largest freshwater wetland in Georgia? Why do deserts have such low productivity? When was the first time the majority of American sea power was assigned to the Pacific? Do some birds live in rocks in the rain forest? What is the name of the gulf located in northern Australia? What sociological concept explains why native peoples in remote South American rain forests can be found using metal cooking pots? How old is Robert D Ballard now? Who are the people involved in the Brooklyn Bridge? how high is should a parapet wall be? What is scientific about Six Flags? What is the name of the base camp of everest? How can we solve problems of building Dams? Is aquatica in sea world?