closed bracket.
what should be said.
Definition: Anaerobia is the absence of oxygen in an environment where there are not enough carbon dioxide, making it impossible for organisms to take advantage of sunlight or other energy sources.
Definition: In Greek mythology, a person who never breathes. They are often associated with being impetuous, rash, or reckless. It refers to someone who does not breathe properly, especially in an environment where oxygen levels may be low or lack thereof. A simple example is a man who is always thinking about drinking the water he's drinking from his garden hose.