The air we inhale is roughly 78% by volume nitrogen, 20% oxygen, 1% argon and 0.04% carbon dioxide, helium, water vapour, and small amounts of other gases.
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78% of air breathed is nitrogen
0%- Humans exhale CO2. Human expell methane.
What percentage of gases do we breath in
Nothing - they are "breathed out" with your exhale.
Nothing - they are "breathed out" with your exhale.
Nothing - they are "breathed out" with your exhale.
Oxygen is breathed in and carbon dioxide is breathed out as it is deadly to humans. Too much carbon dioxide breathed in will cause brain damage and eventually death.
The percentage of gases in the stratosphere is 79% nitrogen, 20% oxygen, and 1% other gases.
because it has harmful gases but it has no harmful surface so you can swallow it
The gases that come from humans that deplete ozone are many. CFC's are one of the most dangerous of them.
They weren't "used" for anything, they lived, breathed and died like normal humans.
Copper ions in your blood are nefro-toxic (kidney's)