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2) What are the major sources of freshwater and ocean pollution? Discuss the measures needed to be taken to clean oceans.

Topic : changes in critical geographical features (including waterbodies and ice-caps) and in flora and fauna and the effects of such changes.

2) What are the major sources of freshwater and ocean pollution? Discuss the measures needed to be taken to clean oceans. (200 Words)

ICSE Class 9 Environmental Science