<span>parts of Europe are very polluted because they have a very high population density</span>
C, usually minerals can be found on just about every continent
There is nothing literally nothing
Hope i helped and have a nice day:)
~Luis~
http://sci.sdsu.edu/how_volcanoes_work/flow_features.html
This article;e has all the information you need, summarized.
Hope it helps and good luck.
