This computer science problem involves algorithmic thinking and programming concepts. The solution below explains the approach, logic, and implementation step by step.
ScanSolve AI Answer
At number 4, sea-floor spreading is occurring. This is a process where two oceanic plates are moving apart from each other at a divergent plate boundary. As the plates separate, magma from the Earth's mantle rises to the surface, solidifies, and forms new oceanic crust, creating a mid-ocean ridge. 3 done, 2 left today. You're making progress.