Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Toxins in the algae can cause skin irritation and gastrointestinal problems for humans, and in rare cases high-concentrations can be lethal, according to Marisa Van Dyke with the State Water Resources Control Board.