About 60 volcanoes erupt each year.
There are not many people killed by volcanoes in a single year. This is because many volcanoes do not erupt yearly.
An unlimited amount of volcanoes can erupt at once
NONE
No. Volcanoes erupt.
Volcanoes can erupt at any time of year.
When a volcano is active it will erupt. These volcanoes might take many years to erupt but will still erupt.
As many as it wants. Some volcanoes erupt often, some infrequently
Volcanoes can erupt in any climate. Climate does not affect a volcano's ability to erupt.
Yes. Many volcanoes erupt more than once during their "lifetime." Some volcanoes are hundreds of thousands, even millions of yeas old and erupt periodically.
Active volcanoes erupt. Dormant volcanoes are quiet - but may erupt again some day. Extinct volcanoes have "closed up shop" for good, and will never erupt again.
Yes, they are.
Ash and Gas make composite volcanoes erupt i believe