| 21. | Nutrients such as nitrogen feed the micro-organisms that cause red tide.
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| 22. | Red tide wiped out 1, 500 tonnes of fish during the Easter holidays.
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| 23. | Karenia brevis is the cause of red tide in the Gulf of Mexico.
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| 24. | An ocean condition known as " red tide " occasionally affects people beachside.
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| 25. | Almost every year, we have red tides that are barely visible.
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| 26. | We have followed it through a year of intense red tide.
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| 27. | The " Red Tide " challenged the Warrior mascot as racist.
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| 28. | Red tides occur naturally off coasts all over the world.
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| 29. | The " Red Tide " was an underground campus newspaper.
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| 30. | Wright said red tide killed just 16 manatees last year.
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