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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.
Cell cycle Urgent question?? please biology expert! it''s for an exam? When M-Cdk gets attached to cyclin, it doesn''t just get activated. phosphate has to be added by an activatin
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Haustorial variations
Define the Food microbiology, mycology and toxicology? Use of yeasts, moulds and bacteria in production of foods and food ingredients; microbes in fermentation, processing and
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N a ture of viral diseases Viral diseases are manifested in acute, sub-acute or chronic forms, as frank clinical cases or as latent infections, some of which are fatal. Thes
PROJECTS THAT HAVE TO BE DONE IN SCHOOL ABOT PICICULTURE
Define Viscosity and Consistency of Protein Systems? Viscosity and consistency of protein systems are the important functional properties in fluid foods, such as beverages, sou
what carbohydrates does a plant make from glucose
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