Waste water produced in residences can be divided into two types. Black water, which has fecal secretions from toilets or nutrients from the kitchen, and

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Who heard of red tide?

One of the strangest and least common natural phenomena, which has intensified in recent years due to an increase in the use of marine transportation,

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Why do coral reefs die?

Coral bleaching is a phenomenon occurring in most coral reefs around the world (see NOAA map). Bleaching is a disease affecting the algae in coral

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