Translations:AY Honors/Oceans/Answer Key/49/en
From Pathfinder Wiki
Breathing: More than half of the oxygen we breathe comes from photo-synthesizers in the ocean such as algae, kelp, and phytoplankton.
Breathing: More than half of the oxygen we breathe comes from photo-synthesizers in the ocean such as algae, kelp, and phytoplankton.