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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.
Frog fema reproductive system
Particulate matter in gaseous effluents consists of particles of size ranging from 0.1 um to 100 um. The device selection is based upon physical and chemical characteristic of part
Abdomen check the contour of the abdomen; normally it should be soft, symmetrical, slightly round and moves in synchronously with chest in premature neonate abdomen w
Dextran is a glucose polymer where the glucose residues are mainly related by α1-6 bonds. Moreover, a few branches also happen. These are classically formed by α1-2, α1-3 or α1-4 b
What is the action mechanism of the antibiotic penicillin? Penicillin, discovered by the Scottish doctor Alexander Fleming in 1928, is a drug that inhibits enzymes essential fo
Q. What do you mean by Congenital Long QT Syndrome? There is a rare group of young patients who suddenly pass out due to a spontaneous ventricular tachycardia and often have fa
KREB CYCLE
What are abiotic factors? Abiotic factors are the nonliving elements that constitute a given environment, as light, temperature, minerals, gases, water, atmospheric pressure, e
Explain Procambium in primary growth in shoot ? The vascular tissue in the shoot is produced from a primary tissue called the procambium, located in the apical meristem. New vas
Benefits of Exercises Benefits of exercises for a diabetic patient are given below: - Improves sugar control. - Decreases HbA1C level. - Decreases blood pressure. -
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