The ____________________ Is a Worldwide System Composed of Thousands of Smaller

question 21

Short Answer

The ____________________ is a worldwide system composed of thousands of smaller networks.

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Definitions:

Volcanic Rocks

Rocks formed from magma or lava that has cooled and solidified on or near the Earth's surface.

Magma

Molten rock beneath the earth's surface, which can form igneous rocks upon cooling and may fuel volcanic eruptions.

Crater

A bowl-shaped geological formation at the top of a volcano or an impact crater formed by the collision of a meteorite.

Volcanic Ash

Fine particles of rock, minerals, and volcanic glass created during volcanic eruptions and dispersed in the air.