What was Tharp's major in college?
Geology
Physics
Chemistry
Mathematics
Answer
Tharp studied geology in college and became an expert on the sea floor. She was the first to create a map of the ocean floor, which she did by using sonar to measure the depth of the water. Tharp's work helped to prove that the continents were once connected and that the sea floor was constantly moving.
Mapping the Depths: The Fascinating Odyssey of Marie Tharp
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