However,
Oceans have already been green new: Nevertheless. Similarly,
Oceans have already been green:
No, the oceans on earth have not always been blue. Therefore, A new study by Japanese researchers reveals that they were formerly … Therefore, green!
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And they could even turn into purple in a distant future, according to the article published in the journal Nature.
Several billion years ago. Moreover. the oceans contained a lot of dissolved iron, deposited in the absence of oxygen, brought by volcanoes and rock erosion.
At that time, the atmosphere was almost devoid of oxygen. Some bacteria therefore oceans have already been green new used iron to produce energy thanks to oceans have already been green sunlight.
These organizations used anaerobic photosynthesis, which means that they can do photosynthesis in the absence of oxygen.
Photo d’archives / AFP
The use of iron for photosynthesis by these primitive microbes has given ocean surface water a greenish color, dominated by specific pigments such as phycoerythrobiline, capable of capturing green light.
Scientists have found a current example of this phenomenon near the volcanic island of Iwo Jima, Japan. It is still possible to observe green waters filled with current cyanobacteria which oceans have already been green use. old mechanisms.
That’s not all: depending oceans have already been green new on the climatic, geological and atmospheric transformations to come, the oceans could again change color.
According to the researchers. water could turn in purple due to sulfur. red bacteria because of iron or brown because of a strong presence of organic matter.
The study thus demonstrates the elements of the earth are constantly evolving. The color of the oceans is far from frozen and reflects the chemical state of the planet.
oceans have already been green — Oceans have already been green: No, the oceans on earth have not always been blue. A new study by Japanese researchers reveals that they were formerly … green. • Read also: A scientific mission cartography more than 3000 radioactive waste barrels in the Atlantic • Read al.
Oceans have already been green new
Oceans have already been green
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