Identify All of the Different Observations Used to Support Harry

question 78

Multiple Choice

Identify all of the different observations used to support Harry Hess's theory of seafloor spreading.

• A) Seafloor magnetic anomalies
• B) Geographic fit of the continents
• C) Studies of fossil plants and animals
• D) Dipping zones of earthquakes at ocean trenches
• E) Patterns of glaciation
• F) Shallow earthquakes along transform faults
• G) Matching bodies of rock on either side of the Atlantic
• H) Alignment of mountain ranges when the Atlantic is closed
• I) High heat flow at oceanic ridges

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