Layers of the atmosphere: http://showme.com/sh/?h=RIIoyzw
Metrics - http://www.showme.com/sh/?h=wIIQcK0 (I know PV=nRT generally uses Kelvin but im trying to prove the importance of conversion)
Power Generation- http://www.showme.com/sh/?h=m1DRahk
Areas of a freshwater system http://www.showme.com/sh/?h=rf2xNkO
Age structure diagrams: http://showme.com/sh/?h=IMqg0oq
Air Pollutants - www.showme.com/sh/?h=WZbFILg
Soil Horizons: http://www.showme.com/sh/?h=cORA3Ci
Scrubbers and Electrostatic precipitators http://www.showme.com/sh/?h=QOR1s48
Cloud ID http://www.showme.com/sh/?h=DQjMCNU
Sulfur and phosphorus cycles http://www.showme.com/sh/?h=BvDqMBk
Nitrogen cycle
Supply and Demand = http://www.showme.com/sh/?h=