Volcanoes are formed when magma from within the Earth's upper mantle works its way to the surface. At the surface, it erupts to form lava flows and ash deposits. Over time as the volcano continues to erupt, it will get bigger and bigger.
Oceania is the correct answer
The first sign of a complex society in Mesoamerica were the Olmec.
Earth has quakes, earthquakes, when the tectonic plates move. Therefore, tectonic plates do exist on earth.
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