B) respiration of consumers.
Carbon dioxide
- Carbon dioxide is an acidic, colorless gas with a density that is roughly [tex]53\%[/tex] that of dry air.
- A carbon atom is covalently doubly linked to two oxygen atoms in a carbon dioxide molecule.
- Carbon dioxide is mostly recycled to the atmosphere by B) consumer respiration.
- Humans and animals are carbon dioxide consumers (plants are carbon dioxide producers).
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