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How phytoplanktons provide us 70%of the …

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How phytoplanktons provide us 70%of the world's oxygen
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Meghna Thapar 5 years, 7 months ago

Prochlorococcus and other ocean phytoplankton are responsible for 70 percent of Earth's oxygen production. However, some scientists believe that phytoplankton levels have declined by 40 percent since 1950 due to the warming of the ocean. Ocean temperature impacts the number of phytoplankton in the ocean. Most of this oxygen comes from tiny ocean plants – called phytoplankton – that live near the water's surface and drift with the currents. Like all plants, they photosynthesize – that is, they use sunlight and carbon dioxide to make food. A byproduct of photosynthesis is oxygen.

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