how long has a shield volcano lasted?
6th Grade Science - Writeacher, Saturday, September 26, 2009 at 11:47am
Scroll down past the ads and read the article. I'm not sure if it has the information you're asking for because I don't know what you mean by how long one of these lasted.
6th Grade Science - Shelby, Monday, September 28, 2009 at 5:54pm
5.6m=how many cm