Identify all of the different observations used to support Harry Hess's theory of seafloor spreading.
A. Shallow earthquakes along transform faults
B. High heat flow at oceanic ridges
C. Dipping zones of earthquakes at ocean trenches
D. Geographic fit of the continents
E. Matching bodies of rock on either side of the Atlantic
F. Studies of fossil plants and animals
G. Seafloor magnetic anomalies
H. Alignment of mountain ranges when the Atlantic is closed
I. Patterns of glaciation
Answer:
D. Geographic fit of the continents
G. Seafloor magnetic anomalies
H. Alignment of mountain ranges when the Atlantic is closed
I. Patterns of glaciation
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