Crossword puzzle focused on the key elements and effects of marine pollution, featuring 10 questions about contamination causes, impacts, and prevention in the ocean.
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Across
1. Type of material that can decompose naturally
4. Dangerous or harmful substances in water
6. Black gold spill that damages marine life
7. Action to reduce ocean pollution by reusing materials
11. Seaweed frequently affected by pollution
Down
2. General term for pollution in the sea
3. Excess nutrients causing algal bloom and oxygen loss