When a river flows over the earth and carves out a hole in the surface it makes a?

What is the Arabic name for the Rock of Gibraltar? Why is lake rotokakahi tapu? In the 1960's a group of businessmen bought London Bridge for 2.5 million and moved it where? What year did Edmund Hillary climb mount Everest? Where can you go if you r bored in Glasgow? The tropical climate of the Amazon basin results from its locations on the equator and? Can you have some of dokan dam picture? How are animals of the coniferous forest well adapted to long cold winters? What is the capital of Andaman and Nicobar ilands? How do you stop the water pressure of a well from spurting and almost stopping the flow of water when there seems to be lots of water in the well? What is the biggest castle in England? Is k2 in the same mountain range as Mount Everest? Did they serve food at the colosseum? Mount Everest is rising approximately 2.5 what per year? How do you know that Chicago Illinois sits on Lake Michigan? What landform juts out into the Atlantic ocean like a giant fishhook? Is the grand canyon the oldest canyon in the world? Can trees live forever? What river runs through Mildura? Where is John Lewis Kingston located?