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Biology, 19.07.2019 21:30 tishfaco5000

The early hypothesis of was based on observations that suggested continents were once joined together. later, the theory of explained why large pieces of earth's surface move around and how many of earth's features form. a. continental drift; plate tectonics b. plate tectonics; continental drift c. gravitational force; continental drift d. plate tectonics; gravitational force

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