What is the importance of rivers and lakes?

The current carry oxygen from the surface to the deep ocean what is the most likely reason that there is more oxygenated water near the stairs? Why should orangutans be in zoos? Why did SeaWorld open in Orlando? How are Badlands National Park and Wind Cave National Park different? How many bells does San Jose have? How does groyne stop sand pebbles moving? Is there beaver in the rainforest? When is the Salmon run on the Milwaukee river? What is the length of devils garden trail in Arches National Park? What special features does mount everest have? What did Indians use to build the San Fernando mission? What object weighs 30 tons? What is freedom what is liberty how are liberty and freedom related how are liberty and freedom different according to John Locke? What is the name of the fairy tale castle Walt Disney used as a model for the Magic Kingdom castle? What does green tourism mean? Which is the oldest cable stayed bridge? What are the adaptations of staghorn coral? What type of animals live in the adriatic sea? The inland sea that borders Kazakhstan? What can you do to help from getting a root canal?