the answer is

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xxx xxx “red tides” red?

Red xxxxx are seen in coastal xxxxx xxx they xxx caused xx xxxxxxx species of microscopic plants called xxxxxxxxxxxxxx These xxxxxxx produce strong xxxxxxxx toxins xxxxxxx called xxxxxxx

xxx algal xxxxx may also xxxxxxx xxxxxx xx the waters xxxxxx xxxxxxx xxxxxx xxxx may xxxxx xxxxxxx xx xxxxxx and xxxxx animals. Species xx xxx United States xxxx release xxxxx harmful toxins include:

* Alexandrium fundyense—found along xxx xxxxxxxx coast from xxx xxxxxxxx Maritimes to southern xxx England
x xxxxxxxxxxx xxxxxxxxxxxxxxxxx xxxxx the xxxxxxx xxxxx xxxx California to Alaska
* xxxxxxx xxxxxxxxxxxxxx xx xxx Gulf of Mexico along the west xxxxx of xxxxxxx

xxx xxx these xxxxx seen xx xxxx xxxxx and xxx others?

xxxxx xxxxxxx xxxxxxxxxxx xxx

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