Difference between Acne and Boils. Key Difference: Acne is the disorder of the skin that is caused by oil and/or debris clogged pore. It is characterized by a presence of pimples, blackheads and whiteheads. A boil occurs due to an infected hair follicle. The infection is usually caused by the bacteria known as Staphylococcus.
By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere.
What are the four main gases in the atmosphere? Answer The Earth's atmosphere contains roughly by volume: 78.08% nitrogen 20.95% oxygen 0.93% argon 0.038% carbon dioxide and trace amounts of other gases, and a variable amou â¦ nt of water vapor.he main three gases in air are nitrogen, oxygen and inert gases 78% of air is made up of nitrogen, 21% is oxygen, just under 1% is argon and the remaining part is made up o â¦ f other gases such as carbon dioxide and water vapour. + 9 others found this useful.