I call the Ocean ‘grandmother’ because life was created in her waters some 3.5 billion years ago, and a little bit later the continents also emerged. These are the beginnings of the Biosphere as we know it today, whose secrets lie deep within her. Slowly but surely, the first photosynthetic organisms started releasing tiny bubbles of oxygen from her depths into the atmosphere. The ocean’s oxygen production continues to this day and according to NOAA, phytoplankton produces up to 50% of the oxygen on Earth.
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