Depends on how close you are. If very close, then do everything you can to change your location quickly. If very far away, then nothing at all.
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.
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
they mostly erupt in Hawaii
Shield volcanoes erupt least violently cinder cone most violently and compost can erupt either way.
Yes, they often erupt again.
Cinder cone volcanoes erupt explosively, but not as violently as composite volcanoes.