2. VOLCANO
A volcano can be a mountain. The surface of the earth
boils over the liquified rock. Ash and gases also spread
into the air whenever a volcano erupts.
Based on volcano's activeness,
they are classified as:
1. Active
2. Dormant
3. Extinct
3. LAVA
The fumingly hot molten or semi-fluid rock that flows
down the earth is known as "lava".
The lava that comes out of a volcano has great value.
It contains deposits of aluminum, diamonds, gold, nickel,
lead, zinc, and copper.
4. VOLCANO FACTS
Molten rock on the Earth surface is called Lava.
Molten rock beneath Earth's surface is called Magma.
An opening in Earth's surface through which volcanic
materials come out is known as "Vent".
An area around the volcanic vent is called Crater.
5. VOLCANO FACTS
There are more than 1,500 volcanoes on the planet.
The majority of the Earth's volcanoes are situated around
the Pacific Ring of Fire.
Countries like United States, Russia, Indonesia, Iceland,
Japan & Chile have the maximum number of volcanoes.