why do volcanoes erupt?

well I will show you and tell you. first watch the video then I’ve got a article.

 

 

how do diet coke and mentos react?

well I show you and tell you. first watch the video called diet coke and mentos. then I've got an article for you.  here is a article  

the mentos have holes in them . carbon bubbles come out the bubbles out so fast it makes a eruption.