Why do desert climates often have streams?

What landform is typically found at the mouth of a river? What kind of government does the Amazon river region have? What is the name of the sea located in the middle of the Atlantic Ocean that plays a major role in the migration of the European and American eel? What are the flags on the top of Mt. Everest used for? What would happen if the oceans were made up of sugar water instead of salt water? Do any animals live in the dogwood tree? Is the Sun important in creating wind and ocean currents? Where is the Imperial War Museum? What is it called when the slowest part of a river along a curve? What language is spoken at the Taj Mahal? National parks are considered cultural landmarks. Why? How do you pronounce Junipero Serra? Why does pollution in a watershed poses a potential threat to the river system that flowsthrough it? What do you call a region drained by a river river system or other body of water? Tiny animals called coral polyp secrete limestone create? What animal lives in this river basin? Why does the dead sea have abolic silinity? When was Montague Street Tunnel created? What is a feeder of the Elbe river? How have Bushmen of southern Africa adapted to life on Kalahari Desert?