What river carved out the grand canion?

I have a Gibraltar 5p coin with a monkey on is it worth anything? What are two minerals that might be found at the site of a ancient ocean? A food web in a New England forest? What is the name of a narrow path of water? Can the blue whale be found in coral reefs? South pacific first appear on Broadway? How can you properly jump a sand dune? Explain how the characteristics of the Sahel and tropical rain forest affect where people live the type of work they do and transportation? What are resoviors? How many murders were committed by the Green River Killer? What are some importance of a mahogany tree? How long is the statue of liberty's toe? What are the different forms of coral reef? What western state has a team named after the Rocky Mountain? What country has the biggest lake in the world? What has most made the true exploration of the ocean possible? What was a major cause for the shift in European trade from the Mediterranean Sea to the Atlantic Ocean during the late 1400? Why are the amazon river dolphins important to the earth? What does chester zoo sell? How much feet is mount Everest?