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Volcanoes do not keep us alive. Many thousands of people have died in volcanic eruptions.
there are 40 volcanoes that are green wich means that they pose no threat to us
about 20
Alaska is the US state with the most volcanoes.
50 volcanoes have erupted in the United States.
the most recent was mount Helena in 1980
The Pacific West is known for its volcanoes.
there's 500 volcanoes that have been active int he past 2000 years
There are 65 volcanoes in the United States and its territories that scientists consider active, including Mount St. Helens.
there are many active volcanoes