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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.
What is the role of primary consumers in a food chain? Give an example of a primary consumer in a terrestrial and an aquatic ecosystem.
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Q. Give Choice of Catheters for Ventriculography? 1) Pigtail Catheter: This catheter developed by Judkins has end hole and side holes. The end hole permits insertion of the c
Define Planning for nutritional need For Adults? The term 'adult' refers to any individual in the age group of twenty years and above. The period beginning from twenty years an
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What is the connection among this substance, mouth bacteria and tooth decay? Mouth bacteria use sugar for their metabolism and produce acids as a waste-product. The acids diss
How is water's importance to life reflected in the normal range of internal pH values that living things are likely to have?
Your task is to describe genetic algorithms, explain why genetic algorithms are useful in solving the problem you have been set and conduct an investigation into the optimum parame
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