Identify All of the Different Observations Used to Support Harry

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