[Answer] The three main parts of a volcano are _____. Currents

Answer: magma chambercentral vent crater Waves and Tides

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The three main parts of a volcano are _____. Currents A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ground away from a volcano at velocities of 100 km/h (62 mph) on average but is capable of reaching speeds up to 700 km/h (430 mph). The gases and tephra can reach temperatures of about 1 000 °C ... Tue Jun 01 2004 · A volcano is a mountain that has lava (hot liquid rock) coming out from a magma chamber under the ground or did have in the past. Volcanoes are formed by the movement of tectonic plates.. The Earth's crust is broken into 17 major rigid tectonic plates.These float on a hotter softer layer in its mantle. Volcanoes are often found where tectonic plates are moving apart or coming together. Volcanic eruptions arise through three main mechanisms: Gas release under decompression causing magmatic eruptions; Thermal contraction from chilling on contact with water causing phreatomagmatic eruptions; Ejection of entrained particles during steam eruptions causing phreatic eruptions Divergent boundaries also form volcanic islands which occur when the plates move apart to produce gaps that molten lava rises to fill. Current research indicates that complex convection within the Earth's mantle allows material to rise to the base of the lithosphere beneath each divergent plate boundary. A convergent boundary (also known as a destructive boundary) is an area on Earth where two or more lithospheric plates collide. One plate eventually slides beneath the other a process known as subduction.The subduction zone can be defined by a plane where many earthquakes occur called the Wadati–Benioff zone. These collisions happen on scales of millions to tens of millions of years and ... Volcanic ash is formed du...

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