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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.
Assessment While assessing the patient with rheumatic fever, a detailed history including, problematic environmental factors or recent exposure to streptococcal infection is
Define Reagents Required and Methodology for Mucic Acid Test? - Sugar solution - Conc. Nitric acid Methodology Take about 50 mg of sugar in a test tube. Add 1 ml
How do you determine if a molecule is polar or non-polar? A polar molecule is a molecule that has a net dipole moment because of its having unsymmetrical polar bonds
PGA as the first CO2 fixation product was discovered in photosynthesis of: 1. Bryophyte 2. Gymnosperm 3. Angiosperm 4. Alga Alga
How CPHs produce fermions? Answer- For understanding how CPHs is can produce fermions, do consider to electromagnetic, when the wavelength is growing. It's a CPH So CPH is a ti
Please I need short notes on polyphylrtic theory
Define Vitamin A, Iron and Zinc required for elderly? Vitamin A, Iron and Zinc: The recommendation for iron is said to decrease in elderly women. Intake of vitamin E and zinc
SOMATOFORM DISORDERS: The term 'Neurosis' was first introduced in 1769 by William Cullen (1710- 1790). Till later part of nineteenth century, anxiety disorders were conspicu
A decrease in blood plasma levels of parathyroid hormone A. occurs in response to an increase in the levels of calcium ions in blood plasma. B. leads to an increase in the a
Define in brief about the biomolecules Some of the biomolecules, also known as compounds of life, form part of the structure of cell, and some of these are sources of energy fo
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