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.
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Geographic/geography affect the civilization in many ways. And example is climate, the climate controls how your crops can grow.
Water and carbon dioxide are usually the most abundant gases emitted during basaltic volcanism.
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The Amazon River is found in South America