What is the molecular composition of the air we breath, including trace ele

Subject: What is the molecular composition of the air we breath, including trace ele

Date: Thu Mar 18 17:53:34 2004
Posted by Gilbert
Grade level: nonaligned School: n/a
City: Los Angeles State/Province: CA Country: USA
Area of science: Earth Sciences
ID: 1079654014.Es

Message:


Iam interested in finding out about the air we breath and what percentages are 
normal for humans, and at what levels do they become harmful or dangerous, I am 
in other gases such as methane, hydrogensulfide, nitogen, carbon (monoxide, 
dioxide, sulfide) oxygen (dioxide), thank you.

Re: What is the molecular composition of the air we breath, including trace ele

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