Answer:
we dont no ...............
Answer:
it shows that a lot of our higher points like mountains used to be under water. it shows how the earth has change over billions of years
Explanation:
Answer: 'A' is the response.
Explanation: The diagram A appears to show a location where magma is rising as a result of an upwelling convection current in the magma, which could cause the sea bottom to spread. The spreading of the crust is indicated by the arrows. This will become a focal point for the spreading marine floor.
To learn more about oceanic spreading center refer:
brainly.com/question/13892552
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