How long can humans survive in extreme conditions?

Put down the plastic! Click on the image to enlarge it.
http://www.custommade.com/blog/content/uploads/2014/11/plastic-final.jpg

Here is the link to the "Ring of Fire'.

http://oceantoday.noaa.gov/ringoffire/

Let's practice drawing some people!

http://awesomeartists.com

Be a volcano explorer. Explore the extreme environment of a volcano.

http://discoverykids.com/games/volcano-explorer/