Question

Short and main information about volcanoes

Answer 1

A volcano is a hole in Earth's surface through which magma (called lava when it reaches Earth's surface), hot gases, ash, and rock fragments escape from deep inside the planet. The wordvolcano also is used to describe the cone of erupted material (lava and ash) that builds up around the opening.

Answer 2

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Question

Write few lines about volcanoes?

Answer

◇A volcano is a vent or fissure in Earth's crust through which lava, ash, rock and gases erupt.

◇A volcano is also a mountain formed by the accumulation of these eruptive products.

◇Earth's crust is 40 to 250 miles (64 to 402 kilometers) thick.

◇It is broken up into 14 major and 38 smaller pieces called tectonic plates.

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