|
|
 |
|
|
 |
|
Where does volcanic lava come from?
|
A volcano is an opening in the Earth's crust through which molten rock (lava) erupts. The molten rock may come from the mantle, or it may be formed when parts of the continental crust melts. | | An erupting volcano |
|
| |
Previous:
Back
|
Book:
1001
|
Section:
Earth
|
Chapter:
Earth
|
|
|
|
 |
|
|
