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Pollution - Environmental Pollution
Pollution refers to any undesirable change in the physical, chemical or biological characteristics of our environment, i.e. air, water and oil that may or will adversely affect humans or other species and life support systems of our biosphere directly or indirectly. A substance whose introduction into a resource damages the latter's usefulness is called a pollutant. Pollutants are grouped into two broad categories:
The non-biodegradable pollutants such as heavy metals, pesticides, move through the food chain and may get magnified to dangerous levels in higher trophic level organisms. Some of these combine with other compounds and produce toxic substances. However, biodegradable materials such as human and animal wastes, agro-based residues and fertilisers can also pose a threat if their quantities or inputs exceed the Assimilative capacity of the environment.
define zoology
(i) Effect of Human Health: (a) Mercury compounds in waste water in converted into methyl mercury by Bacterial action which causes numbness of limbs, lips and tongue, deaf
What is tetrapoda
Sulphur Sulphur is a component of the animo acids methionine, cysteine and cystine; the B-vitamins, thiamin and biotin; as well as a number of the organic compounds. Sulphate,
Explain about Riboflavin Aqueous solution shows a pronounced green-yellow fluorescence, which is maximal at a pH of about, 6-7 and disappears upon the addition of acids and al
Supra Vulvar Aortic Stenosis : Supra valvar aortic stenosis in children with elfin facies, mental retardation, multiple peripheral pulmonary artery stenosis and hyper calcem
Define the Parenteral Nutrition Support? Parenteral nutrition support is the provision of dextrose, amino acids, electrolytes, vitamins, minerals and trace elements with or wit
Determine about the microtubules The microtubules are hollow tubular structures formed by a special arrangement of two proteins called the alpha and beta tubulins. The microtu
What is Trophic Levels and Food Webs? Trophic Levels and Food Webs : Energy flows and nutrients are cycled through an ecosystem via organisms that feed on one another. When c
Changes those are associated with programmed cell death, containing release of apoptotic bodies, blebbing, and nuclear fragmentation.
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