A sample of ancient oxygen, teased out of a 1.4-billion-year-old evaporative lake deposit in Ontario, provides fresh evidence of what the Earth’s atmosphere and biosphere were like during the interval …read more Source:: Science
Tag: biosphere
Less life: Limited phosphorus recycling suppressed early Earth’s biosphere
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•The amount of biomass — life — in Earth’s ancient oceans may have been limited due to low recycling of the key nutrient phosphorus, according to new research. …read more Source:: Science