Marshall
Vegetation / Climate
World Climates
http://www.blueplanetbiomes.org/climate.htm
Vegetation: It’s Role in Weather and Climate
http://www.nc-climate.ncsu.edu/edu/k12/.Vegetation
Encyclopaedia Britannica
http://www.britannica.com/EBchecked/topic/624629/vegetation
The Canadian Encyclopedia
http://www.thecanadianencyclopedia.com/articles/vegetation-regions
WorldBook Online
www.worldbookonline.com (username / password not needed if at school)
Ocean Currents
Worldbook Online
www.worldbookonline
About.com Geography
http://geography.about.com/od/physicalgeography/a/oceancurrents.htm
National Oceanic and Atmospheric Administration
http://oceanservice.noaa.gov/education/tutorial_currents/
NOAA Education Resources
http://www.education.noaa.gov/Ocean_and_Coasts/Ocean_Currents.html
Encyclopedia.com
http://www.encyclopedia.com/topic/Ocean_Currents.aspx
Big Site of Amazing Facts
http://www.bigsiteofamazingfacts.com/what-causes-ocean-currents