Algae bloom in Lake Eire, the first step in creating a fully dead zone. (http://www.miseagrant.umich.edu/lessons/lessons/by-broad-concept/physical-science/dead-zones/)
Algae bloom in Lake Eire, the first step in creating a fully dead zone. (http://www.miseagrant.umich.edu/lessons/lessons/by-broad-concept/physical-science/dead-zones/)