They tell us that we need to be carefull, when there is a warning about a eruption. It also tellls us about the earth in many ways, such as: There is lava under the the land layer, there are many tectonic plates, and so on.
Volcanoes tell us a lot about the chemical composition of rock. They tell us what incredible force there is under the earth's crust.
They can be used to indicate were the earth has been hit by large astroids in the past.
The shockwave from an astroide can go through the "core" to the opposite side of the earth and there cause an eruption.
Volcanoes tell us more about the past than our future.
There are indeed volcanoes on planet earth.
yes
Because they are
volcanos
earth has tree's platues, plants,plains,mountains,volcanos,
they have been there since the begining of the earth. the earth is about 4.5 billion years old.
Excellent question! It doesn't tell us much.
Yes that's how three of Hawaii islands where made.
ashoka
are there active volcanoes in the united states
Volcanos have been around since the beginning of the Earth itself.
Volcanic activity can change our Earth by forming mountains.