Test Bank For Essentials of Oceanography 9th Edition by Tom S. Garrison, Robert Ellis Copyright 2026 Chapter 1-11 Chapter 1 1. The ocean holds more than 97% of Earth's water. a. True b. False 2. Gravity was important in the formation of our planet because it pulled dense metals such as iron and nickel inward, forming Earth's core. a. True b. False 3. The average land elevation on Earth is greater than the average depth of the ocean. a. True b. False 4. Scientific hypotheses are never revised or updated. a. True b. False 5. Eratosthenes was a scientist who was interested in the size of Earth and used methods of geometry to determine the circumference of our planet. a. True b. False 6. The ocean provides a variety of resources ranging from food and water to energy, construction materials, and lifesaving pharmaceuticals. a. True b. False 7. Nuclear fusion in stars converts hydrogen and helium into heavier elements such as carbon, oxygen, silicon, and iron in stars. a. True b. False 8. Humans spread to nearly all of the inhabitable areas of Earth after the European voyages of discovery in the late 1400s and early 1500s. a. True b. False 9. Latitude lines run from pole to pole. a. True b. False
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