Explain the origin of volcanoes. and write down the characteristics of volcanoes.
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A volcano begins to form when magma, which is hot molten rock from deep within the earth, rises toward the earth's surface and collects in magma chambers. As pressure builds within these chambers, magma is expelled through a vent or fissure in the earth's surface as a volcanic eruption....
The characteristics of volcanoes are ....
those are devastating forces on Earth. These naturally occurring land features act as vents that release the pressure and magma from within the Earth's crust. They smoke, rumble and spew rock, ash and lava, and sometimes they do catastrophic damage to the immediate area
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Answer:
VOLCANOES
A volcano begins to form when magma, which is hot molten rock from deep within the earth, rises toward the earth's surface and collects in magma chambers. As pressure builds within these chambers, magma is expelled through a vent or fissure in the earth's surface as a volcanic eruption Characteristics of volcanoes
- A volcano is formed by eruptions of lava and ash.
- Volcanoes are usually cone shaped mountains or hills.
- When magma reaches the Earth's surface it is called lava. ...
- Volcanic eruptions can happen at destructive and constructive boundaries , but not at conservative boundaries or collision zones.
Explanation: