Answer:
notochord, a dorsal hollow nerve cord and pharyngeal slits.
Answer:
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.
