Question : Which of the following hypotheses was propounded by Harry Hammond Hess in 1962?
Option 1: Continental Drift hypothesis
Option 2: Seafloor spreading hypothesis
Option 3: Gaia hypothesis
Option 4: Geographical cycle hypothesis
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Correct Answer: Seafloor spreading hypothesis
Solution : The correct answer is the Seafloor spreading hypothesis.
The hypothesis propounded by Harry Hammond Hess in 1962 is known as the "seafloor spreading" hypothesis. This groundbreaking idea suggested that the oceanic crust is constantly in motion, being created at mid-ocean ridges and then slowly spreading away from those ridges.
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