nitrogen is the most common element in the earths atmosphere
Most refrigerants are heavier than air. Because of this, they can displace air and cause someone to suffocate.
Nitrogen and Oxygen are the most common gases in the atmosphere.
Oxygen is the second most common/abundant gas in the air that we breathe. Nitrogen is the most abundant gas in the air we breathe. The composition of air is often treated as 79 mole or volume percent N2 and 21 mole or volume percent O2.
water is the and most found substance also earth and air
polluntants
As humans, we can reduce air pollution by limiting our use of energy and polluntants.
Primary air pollutants are emitted directly into atmosphere from a process such as exhaust from a engine, industries, volcanic eruption Secondary air pollution are formed in the air when primary pollutants interact.
The most common indoor air pollutant is air freshener.
Ozone is considered to be the most common air pollutant in the United States.
Nitrogen is the most common element in the air you breathe.The earth's atmosphere consist of approximately79% nitrogen, 20% oxygen, and 1% other gases.On Earth, the most common element in the air is Nitrogen.
the most common gas is water vapor
From most parts of the world, by air.
Lead
air sac
nitrogen
nitrogen