[Science] Is oxygen, leaving from Earth?

Scientists testing the concentration of oxygen in the atmosphere have found that levels have dropped by almost 0.7 per cent over the past 800,000 years, compared to modern levels.
What’s more, the rate of this decline has sped up over the last century, dropping by a further 0.1 per cent.
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Put simply, it’s because the forces on re-entry far exceed...

[Science] Is oxygen, leaving from Earth?