Oxygen's Surprising Role
Oxygen, often viewed as essential for life, is actually a waste product of photosynthesis, produced when water is split into its components. This reactive gas, which makes up about 20% of our atmosphere, is a byproduct of the massive photosynthetic activity on Earth. Interestingly, the rise of oxygen levels in the atmosphere led to early life extinctions due to its toxicity, paving the way for organisms that could utilize it for respiration.In this clip
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The Science of Everything Podcast
Episode 102: Photosynthesis Part II
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