ELI5 Volcanoes - can they be used for dumping trash?

Why can't we just throw our trash into volcanoes to incinerate it? Why do some volcanoes erupt explosively while others have gentle lava flows? Why is Yellowstone National Park considered a super volcano? Which volcano created the loudest sound ever recorded? Can we use volcanos as energy sources?

... we explain like I'm five

Thank you to the r/explainlikeimfive community and in particular the following users whose questions and comments formed the basis of this discussion: notofyourworld, forams__galorams, cultish_alibi, pearlsb4pigs, explosivelydehiscent, norrisn and queltis6000

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