What creates currents in the oceans?

Is the Mississippi River an ecosystem? What month has the most precipitation in th tropical rainforest? Where you can see river but no water mountain without rocks and cities without people? Does Delaware have a national park? How many zoo keepers get injured every year? Who lived in a motte and bailey castle? What took over Island across the sea and named them Virginia? How many different species of animals live on the average wetland? What environment issues are occurring in The Amazon Rainforest's? What are some wood products other than paper and lumber? What river marked the southern border of much of the gupta empire? Why is the CN tower a mass structure? What treaty reopened the Mississippi river and the New Orleans port to American? Read the following passage. Which early river valley civilization does it describe This kingdom developed along the Yellow River. It protected its large territory by developing bronze weapons and buil? Is a sea urchine an invertebrate or a plant? What does water under the bridge mean? When did they add the pyramid to the Louvre? Who had one leg climbing Mount Everest? Great Britain and Newfoundland are located directly opposite of each other across the Atlantic Ocean. Why do the two places have different climates? How tall is the Bethan Tower Manchester?