1) The large stretches of water which separete the continents are called.... a) Lakes b) Rivers c) Beaches d) Oceans 2) How many types of bodies of salt water are there? (Bay, channel…) a) 3 b) 4 c) 6 d) 10 3) The Mariana Trench is the deepest place in all the oceans. In which of these oceans is it located? a) Pacific ocean b) Atlantic ocean c) Indian ocean d) Arctic ocean 4) Deep ocean hydrothermal vent ecosystems were discovered in: a) 1995 b) 1997 c) 2000 d) 2010 5) The ocean has an average depht of… a) 2.3 miles b) 3.2 miles c) 2.5 miles d) 4.4 miles 6) The ocean ridge is made up of ... and is divided into two parts a) Rivers b) Mountains c) Lakes d) Volcanoes 7) The Arctic ocean is .... a) The biggest  b) The smallest and shallowest c) The biggest and shallowest d) All answers are correct 8) What is the largest ocean? (Hint: it has a characteristic S shape) a) Atlantic b) Pacific c) Indian d) Arctic 9) Which ocean has the coldest climate? a) Antarctic b) Arctic c) Atlantic d) Pacific

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