Compare volcano formation at different plate boundaries.

The different ways the plates are shifting will cause different size volcanoes.

Explanation:

If the African Plate pushes harder than the Antarctic plate, the volcano at the African Plate will be larger. And a volcano is a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust due to the plates shifting.

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