Let's take four specific scenarios.?

This is a fairly complicated question to answer on this format, but if you go to this web site (use the old site and the links in the box near the bottom of the page) you can read all about the various plate boundaries, their volcanic ociations, and lava types common to them. a href="http://www.tulane.edu/~sanelson/geol212/index.html" rel="nofollow"http://www.tulane.edu/~sanelson/geol212/…/a