For now, life is flourishing on our oxygen-rich planet, but Earth wasn t always that way – and scientists have predicted that, in the future, the atmosphere will revert back to one that s rich in methane and low in oxygen.
Oxygen, which accounts for 21 percent of the breathable atmosphere, is a byproduct of plants and marine life that synthesise, CO2, water and sunlight. With not enough CO2 in the system, experts fear the production of oxygen is going to drop. Scientists have dubbed this scenario the Great Deoxygenation and the only lifeforms to survive […]
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