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Question
A ________ is an opening in the earth’s crust through which molten material from the mantle escapes to the Earth’s surface.
A ________ is an opening in the earth’s crust through which molten material from the mantle escapes to the Earth’s surface.
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Solution
The correct option is B volcano
A volcano is an opening in the earth’s crust through which molten material from the mantle escapes to the Earth’s surface. The molten material is called magma when it is inside the volcano, and lava when it shoots out of the volcano and spreads onto the Earth’s surface.
A volcano is an opening in the earth’s crust through which molten material from the mantle escapes to the Earth’s surface. The molten material is called magma when it is inside the volcano, and lava when it shoots out of the volcano and spreads onto the Earth’s surface.
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