0XYGEN CYCLE - History, Cycle, Steps involved, Production, Significance & More

0XYGEN CYCLE – History, Cycle, Steps involved, Production, Significance & More

HISTORY: As we all know, air is a gas mixture. The atmosphere is made up of various gases, including nitrogen (78%), oxygen (21%), argon, and other trace gases (1 percent ).According to Earth’s history, cyanobacteria were the first to introduce oxygen gas through the process of photosynthesis. Previously, around 4.6 billion years ago, there was …

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