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Featured Researcher: Susumu Honjo

The Rain of Ocean Particles and Earth’s Carbon Cycle

The Rain of Ocean Particles and Earth's Carbon Cycle

WHOI Phytoplankton photosynthesis has provided Earth’s inhabitants with oxygen since early life began. Without this process the atmosphere would consist of carbon dioxide (CO2) plus a small amount of nitrogen, the atmospheric pressure would be 60 times higher than the air we breathe, and the planet’s air temperatures would hover around 300°C. (Conditions similar to these are found on Earth’s close sibling Venus.

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