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-We just inhale O2, and given that O2 is non-renewable
-This is to see how we can have a figures of this.
-I came up with about 140,000 years

2006-09-13 06:05:15 · 5 answers · asked by Toan 2 in Environment

Sorry for the confusion question. I mean "if": if we all breath, if there no source for O2 to be reproduced

2006-09-13 20:05:13 · update #1

5 answers

what a stupid question. what difference does it make if we breath at the same time? and don't plants perform photosynthesis? where did u get these figures to calculate 140,000 years? on what basis. by the way we only take a percentage of the oxygen we breath.

2006-09-13 06:18:14 · answer #1 · answered by Zoppy Mt 4 · 0 1

First you don't just inhale oxygen as you surmised. Most of what we inhale and exhale is nitrogen about 78%less the 22% of what we inhale is oxygen. So if everyone inhaled at the same time the world would continue.....

2006-09-13 13:26:08 · answer #2 · answered by loligo1 6 · 0 1

i suggest u first learn the english language b4 u go even further to calculating oxygen intake and what not. Goodluck :P

2006-09-13 13:38:35 · answer #3 · answered by Lara^mt 5 · 0 1

plants produce oxygen

2006-09-13 13:10:08 · answer #4 · answered by Take it from Toby 7 · 0 1

Are you seriuos? plants need CO2......we make that.....we need O2.....plants make that. its the cycle of life

2006-09-13 13:16:03 · answer #5 · answered by airjorge22 1 · 0 1

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