Question

2 reason for volcanoes

Answer 1

Answer:

Volcanoes are formed by eruptions of lava and ash when magma rises through cracks or weak-spots in the Earth's crust. A build up of pressure in the earth is released, by things such as a plate movement which forces molten rock to exploded into the air causing a volcanic eruption.

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Answer 2

Answer:

1. Volcano is a mountain where the lava or magma erupt and flow above the land .
2. Volcano has three types .

• Active volcano
• Death volcano
• Sleeping volcano