Anoxia, or a lack of oxygen in bodies of water, leads to

A. unsafe drinking water

B. dead zones

C. global warming

D. algae blooms

Answer: B. Dead Zones

Explanation:

The term "hypoxia" refers to low or depleted oxygen in a water body. Hypoxia is often associated with the overgrowth of certain species of algae, which can lead to oxygen depletion when they die, sink to the bottom, and decompose & Unable to sustain life, these areas, called dead zones, may cause die-offs of fish, shellfish, corals, and aquatic plants.