Do you think our supply of oxygen will be enough to last for the next 500 years?

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asked Sep 1, 2023 55.8k views

2 Answers

Leek · Answer 1 · 2023-09-05T13:00:01+0000

Based on NASA's calculation that a human needs 840 grams of oxygen per day, and the fact that Earth's atmosphere contains about 1000 billion tonnes of oxygen and the global population is 7.5 billion, it would last around 370 years.

Do you think our supply of oxygen will be enough to last for the next 500 years?

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