Do you know where you will be in three years? The material of living things, including you, originates from a surprising place. Everyone knows the food chain base is plant life on land, while ocean life originates from phytoplankton and algae.
These microscopic creatures use sunlight, like plants, to produce 66 percent of the oxygen in our atmosphere. Most of the oxygen in every breath you take, which then spreads through your bloodstream, was once in these tiny ocean creatures. The remaining oxygen is produced by plants on land.
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