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It is defined as the presence of chemicals and particulate in the atmosphere in quantities and pollution that are harmful to human health and environment. It occurs when the concentration of certain substances become high enough to cause the atmospheric environment to become toxic. Air pollution affects the human being very high because every human being inhales about 15-22 kg of air daily and if it polluted it will damage human health considerably.
Example: SO2, CO, Chlorofluoro-Carbon (CFC'S), Nitrogen oxide etc.
skin derivates
classification of organisms in phylum protozoa according to their class,order,family,genus,species.
Pyramid of Energy - Ecological Pyramids When we wish to compare the functional roles of the trophic levels in an ecosystem, an energy pyramid is probably the most informative.
Explain the Principle of Nelson-Somogyi Method? Glucose is estimated by Nelson-Somogyi method. We begin our study of this method by getting to know the principle involved in th
Explain about natural pigments There has been an extensive search of the microbial, plant and animal kingdoms for pigments that possess both high tinctorial power/strength (a m
Q. Use of Gloves as personal protective equipment? Gloves are task specific. The different types of gloves worn in the dental office are: i) Examination gloves ii) Over o
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Biological Adaptation These adaptations depend on the geology and basic fertility of the region and some of the mechanisms that are especially well developed in tropical rain
How is the human foetus expelled from the uterus of its mother: The total time required for the embryonic and foetal development is called gestation period which is usually
What are the economic importance of colenterata
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