Question

c. Explain what a volcano is.​

Answer 1

Answer:

Volcanoes are openings, or vents where lava, tephra (small rocks), and steam erupt on to the Earth's surface. Many mountains form by folding, faulting, uplift, and erosion of the Earth's crust. Volcanic terrain, however, is built by the slow accumulation of erupted lava.

Explanation:

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Answer 2

Explanation:

Volcanoes are openings, or vents where lava, tephra (small rocks), and steam erupt on to the Earth's surface. Many mountains form by folding, faulting, uplift, and erosion of the Earth's crust. Volcanic terrain, however, is built by the slow accumulation of erupted lava.