Match each key term to the appropriate sentence below. You may reuse words, and dont need to use all words. A. drainage basin B. mouth C. discharge D. meanders E. low F. floodplain G. headwaters H. decreases I. high J.channels 1. The geographical area where all surface water converges to one location is called its ______. 2. A delta forms at the _______ of a river, where the velocity of the water flow _______ and deposition is _____. 3. The volume of water flowing past a certain point in a given amount of time is a river's ________. 4. The ________ of a river often have a steep gradient, high channel roughness, and _____ water volume. 5. A stream with a low to moderate gradient, carrying most of its load in suspension, should be characterized by many curves and bends called ________. 6. A river with a well-developed ________ has a flat low-lying channel and experiences flooding during periods of high ________..