Oceans

At the end of this activity, students should be able to:
– explain how the oceans were formed
– explain the origin of salts in the oceans
– list the characteristic properties of sea water
– list the most abundant ions in sea water
– discuss the concentration of salts in oceans
– discuss salinity balance
– discuss the role of the oceans in maintaining the composition of the atmosphere
– discuss the economic importance of the oceans.