Practice Test - The Marine Environment Exam I Practice Test...

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The Marine Environment - Exam I Practice Test 1. The first explorer to lead an expedition which circumnavigated the world was: a. Christopher Columbus. b. James Cook. c. Vasco da Gama. d. Sir Francis Drake. e. Ferdinand Magellan. 2. The Vikings abandoned settlements in Iceland, Greenland, and North America because: a. a cooling climate caused expansion of ice in the North Atlantic. b. agricultural practices were unsuited for the area. c. natives drove them away. d. of a lack of navigational skills. e. of the dominance of the Spanish Armada. 3. The voyage of HMS Challenger provided the first detailed oceanographic study including seawater chemistry observations. (T/F) 4. The deepest point of the ocean is located at Challenger Deep (So named for the vessel who discovered it) in the Mariana Trench in the _______ Ocean. What is its maximum depth? a. Pacific, 5 km b. Indian, 1 km c. Atlantic, 200 km d. Pacific, 11 km 5. Give the approximate percentage of the earth’s surface covered by water: 6. The correct arrangement of astronomical bodies from smallest to largest is: 7. Scientists believe that the Earth's moon was most likely formed: 8. Radioactive isotopes can sometimes be used to determine the: a. absolute age of the rock. b. chemical composition of the rock. c. formation method. d. metamorphism. e. relative age of the rock. 9. The Earth was formed about _________ years ago
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