How does air pollution affect respiratory health?

Apr 17, 2025 ... Nitrogen makes up about 78% of Earth's atmosphere and Argon is the third most abundant gas (1%) in Earth's atmosphere, after oxygen (21%). The two most abundant gases in the atmosphere, nitrogen (comprising 78% of the dry atmosphere) and oxygen (comprising 21%), exert almost no greenhouse effect. Apr 14, 2025 ... Solution For The most abundant gas in the atmosphere isa. oxygen.c. argon.b. nitrogen.d. carbon dioxide. Mar 1, 2018 ... This gas is a chemical element with the symbol Ar and the atomic number 18, and it's the third-most abundant gas in the atmosphere (and the most ... The air we breathe is actually a combination of several gases. · The most significant constituent, Nitrogen, is held at a constant level through the nitrogen ... Jul 30, 2013 ... Nitrogen is the most abundant element in our planet's atmosphere. Approximately 78% of the atmosphere is made up of nitrogen gas (N 2 ) . Mar 24, 2022 ... The most abundant gas in the atmosphere is nitrogen. The Earth's atmosphere is composed of approximately 78 percent nitrogen, 21 percent oxygen, 1 percent ... The most abundant naturally occurring gas is nitrogen (N2), which makes up about 78% of air. Oxygen (O2) is the second most abundant gas at about 21%. The inert ... Most of the planets in our solar system have two or three constituents that make up most of the atmosphere. For example, Venus and Mars have more than 98 ... Composition of gases in the air. Figure caption,. The composition of the modern atmosphere. Question. Name the most abundant gas in the modern atmosphere. Show ...