Pollution and threats in seas, oceans, rivers

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Pollution and threats in seas, oceans, rivers により Mind Map: Pollution and threats in seas, oceans, rivers

1. Land Runoff

2. Large Scale Oil Spills

3. Littering

4. Disruption to the Cycle of Coral Reefs

5. Sewage

6. Toxic Chemicals From Industries.

7. Effect of Toxic Wastes on Marine Animals