Video 2 Age of the ocean floor and plate speed
Video question script  Heat flow, age of ocean floor and plate speed
 Heat flow, age of ocean floor and plate speed
ELI activity  Which is the fastest spreading oceanic ridge? A map-based activity to find the most active oceanic spreading ridge
  Which is the fastest spreading oceanic ridge? A map-based activity to find the most active oceanic spreading ridge
Video 1 - Heat flow evidence
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