silica
caldera
viscous
denser
subduction
divergence
hot spots
earthquakes
Explosions from composite volcanoes occur as a result of gas buildup within them. Shield volcanoes also may erupt explosively if water accumulates inside their vents.
Answer:
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Explanation:
Gold is plentiful in Africa and is a necessity for most technological devices.
At the divergent plate boundaries new oceanic lithosphere is formed in the gaps of magma coming up from the mantle. The magma coming up forms mid-ocean ridges. They form along mountain chains that are marked as boundaries between diverging plates.
