Curious if anyone here knows if there's truth in these statements?
wrote:Today's air contains less than 21% oxygen while in previous years our breathable air once contained more than 50% oxygen
wrote:Current research indicates there are over 60,000 more toxic chemicals in the atmosphere than detected ten years ago.
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It has been reported that LA smog is equivalent to smoking four packs of cigarettes a day.
The number one cause of COPD (Chronic Obstructive Pulmonary Disease) is smoking — in LA its not “required” to be a smoker to be highly susceptible to this disease that commonly includes Emphysema and Chronic Bronchitis.
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Reportedly our atmosphere contains about 20% oxygen. True, under ideal circumstances – and in the right locations.
When heavily polluted cities report it dropping down to 9% and 10% many hundreds of people with weak immune systems (the sick), die daily under these conditions.
Last edited by joebartels on Aug 27 2018 9:33 pm, edited 1 time in total.
PageRob wrote:
The amount of oxygen is basically constant - no new oxygen is arriving on earth.
Tell that to those pesky ice meteorites. Oxygen being in water and all.
Nah, I know the amount arriving to Earth is trivial. Still oxygen levels could be rising or falling slightly, since we do use a lot of Iron, and the oxygen we have today was produced as a waste product from bacteria which released in through chemical reactions that deposited are large iron deposits on the surface, but that was eons ago, long before a vertebrate ever swam the seas. My point though is that rust consumes oxygen and that could release or consume it depending on which was the iron and oxygen are going. I doubt that it makes much difference.
There's a small amount leaving, of course, as well. Again, not enough to mention in this context...
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