Duplicate of VOLCANOES

There are some volcanoes in Brazil.

Volcanoes get smaller when they erupt.

When a volcano erupts, magma comes up and out through the vents. Magma is called lava when it’s outside the volcano.

Many volcanoes are mountains, made up of layers of lava and ash.

Ash from volcanoes isn't very good for growing things. It doesn't adds nutrients to the soil.

Volcanoes can be active , dormant , or extinct.

There are more 500 active volcanoes on Earth.

The largest active volcano in the world is Mauna Loa, on the Hawaiian islands.

There are volcanoes on other planets in the Solar System.

About 75% of the world's active volcanoes are under water