It depends on what type of volcano they are;
Active - very likely to erupt e.g Mt Etna
Dormant(sleeping) - a volcano which has not erupted for many years. For example, Mt Pinatubo erupted in 1991 after 500years of dormany
Extinct - a volcano in which has not erupted for many thousand or millions of years
Never.
they arupt 2 a year
Volcanoes can erupt in any climate. Climate does not affect a volcano's ability to erupt.
they mostly erupt in Hawaii
Cinder cone volcanoes erupt explosively, but not as violently as composite volcanoes.
Yes, they often erupt again.
There are no volcanoes in the Grand Canyon.
Never.
every 2 years
Yes. Composite volcanoes often produce violent eruptions.
they arupt 2 a year
As many as it wants. Some volcanoes erupt often, some infrequently
No. Volcanoes erupt.
About 60 volcanoes erupt each year.
An unlimited amount of volcanoes can erupt at once
Volcanoes can erupt at any time of year.
Volcanoes can erupt in any climate. Climate does not affect a volcano's ability to erupt.