Earth Structure
Outer Core
mainly made of iron / molten
oceanic crust composed of heavy rocks, silica and magnesium
Inner Core
mainly made of iron and nickel/ solid
Matching Fossils
Subduction
Subtopic
Subtopic
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Molten
Continental Fit
Glacial Deposis
![Subtopic](http://www.bing.com/cr?IG=B84DC51D536D48E8B91F45A2C5FDB5DD&CID=28DC6235D82266B50C266817D9C56756&rd=1&h=bbk_ZvnjPMOTHU5zI5YoRA2GesOigm93CCAyVgrCChw&v=1&r=http%3a%2f%2fgeowiki.korearth.net%2fimages%2f3%2f31%2fGlacial_deposit.png&p=DevEx,5008.1)