Upwelling:
Read http://www.montereyinstitute.org/noaa/lesson08/l8la2.htm
Currents:
Read about the gulfstream current.
http://geography.about.com/od/physicalgeography/a/gulfstream.htm
How up-welling affect ocean life?
How currents affect climate and weather?
3 answers
THX
Dasar aldwin