7
QuizMultiple Choice

Characteristics of the Seafloor

Question 7 • GCS 2025-2026 Earth Environmental Science CR

Which is the first step in the seafloor spreading process?

Answer
A
A crack forms in oceanic crust.
B
Volcanoes erupt under the ocean.
C
Molten rock rises up through the crust.
D
Dense plates are subducted under less dense plates.
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