|A.||There is no mixing of the water of the Sargasso Sea with the remaining water of the North Atlantic Ocean.|
|B.||The Sargasso Sea plays a major role in the migration of the European eel and the American eel.|
|C.||The Sargasso Sea records the lowest salinity of North Atlantic Ocean.|
|D.||This Sea is covered with rootless sea weeds.
Explanation:The Sargasso Sea records the lowest salinity of North Atlantic Ocean.
|C.||Rio de Janeiro||D.||Cancun|
Explanation:Rio de Janeiro
|A.||30 mg||B.||80 mg|
|C.||100 mg||D.||150 mg|
|A.||Environmental appreciation courses.|
|B.||Environmental Management Business Studies.|
|C.||National Environment Awareness Campaign.|
|D.||Environmental Education in school system.|
Explanation:National Environment Awareness Campaign.