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.
Major Components of the Atmosphere. The atmosphere is 78.08 percent nitrogen. Another 20.95 percent is oxygen. Together, nitrogen and oxygen make up 99.03 percent of the atmosphere.The other 0.97 percent is composed of several other chemicals whose volumes are measured in parts per million.The atmosphere is 0.934 percent argon, 0.038 percent carbon dioxide and 0.0018 percent neon.ajor Components of the Atmosphere. The atmosphere is 78.08 percent nitrogen. Another 20.95 percent is oxygen. Together, nitrogen and oxygen make up 99.03 percent of the atmosphere.