EARTH SCIENCE
VOLCANOES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An opening in the Earth’s crust through which molten rock, gases, and ash erupts is called a(n) ____
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explosion
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volcano
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vent
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geyser
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Explanation:
Detailed explanation-1: -A volcano is an opening in the Earth’s crust that allows molten rock, gases, and debris to escape to the surface. A volcanic eruption may release acid, gases, rocks, and ash into the air. Lava and debris can flow at up to 100 miles per hour, destroying everything in their path.
Detailed explanation-2: -An opening in the Earth’s crust is called a vent. A vent is where magma can come above the surface as lava. A vent can also be the source of gas or ash. A volcano is an example of a vent.
Detailed explanation-3: -Scientists use the term magma for molten rock that is underground and lava for molten rock that breaks through the Earth’s surface.
There is 1 question to complete.