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4.4 Water pollution - Coggle Diagram
4.4 Water pollution
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Eutrophication:
Occurs when excess nutrients enter an aquatic ecosystem
Drastic increase in algae growth
May happen in freshwater or oceans (red tide)
Natural or anthropogenic
Human influence by using fertilizers or detergents
Red tides:
Algal bloom
Phytoplankton
Red species
Produce toxins that kill fish and accumulate in shell fish – can make humans seriously ill
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