3
The sea floor expanded for a period in the past and then shrank when the continents were formed, best summarizes the change in the sea floor over time.
Added 7 days ago|1/25/2023 5:29:41 PM
This answer has been flagged as incorrect.
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Janet17 [1/25/2023 5:31:32 PM]
3
The sea floor is constantly expanding as new magma comes up through the surface. -best summarizes the change in the sea floor over time.
Added 7 days ago|1/25/2023 5:30:32 PM
This answer has been confirmed as correct and helpful.
