i am so stuck and it's stressing me out cos i just can't do geography. does anyone now how ash and lava volcanoes are formed?? Or can anyone give me any useful sites that will help me with this question??? Thanks

2 answers

http://www.google.com/search?q=volcanoes+ash+lava&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA

Take a look through these articles and see if there's information here you can use. Please really read them; don't just scan the list!!
In addition to the resources already suggested, check out this site.

http://www.windows.ucar.edu/tour/link=/earth/interior/volcanos_general.html