20. Who came up with the theory of sea floor
spreading?
A. Alfred Wegener
B. Harry Hess
C. ancient Greeks D. Albert Einstein
spreading?
A. Alfred Wegener
B. Harry Hess
C. ancient Greeks D. Albert Einstein
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Answer:
A. Alfred Wegener
Explanation:
Wegener proposed that the continents themselves move, which is untrue. ... Sea floor spreading caused the break up of Pangea, which prompted Wegener to add this in support of his continental drift theory.
Answer:
B. the seafloor spreading hypothesis was proposed by the American geophysicist Harry H. Hess in 1960.
Explanation: