The most abundant Nobel gas in the earth atmosphere? Argon Number of layers in the earth atmosphere? 4. Troposphere Stratosphere Mesosphere Ionosphere Ozone Layer is present in which layer of the atmosphere? Stratosphere What is the full form of ICAR? Indian Council of agricultural research What is the full form of CPCB? Central pollution control board What is the full form of IUCN? International Union for conservation of nature
This website will display important basic and advanced concepts of chemistry notes in very simple language