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Air Pollution - Environmental Pollution
The threat due to air pollution became apparent only when some severe episodes caused human casualty in USA, Britain (London) and Japan. In 1948 in Donara town of USA twenty people died and thousands became ill due to prolonged trapping of pollutants in the atmosphere emitted from steel mills and zinc smelter plants. In 1952 nearly 2,500 people died in London when the city got enveloped by sulphuric acid vapours, particulate matter and sulphur dioxide.
The most tragic episode in history occurred in December 3rd, 1984 at Union Carbide in Bhopal when approximately 36 tonnes of methyl isocyanate (MIC), an extremely poisonous gas used in the synthesis of sevin - a pesticide, escaped shortly after midnight from a storage tank and spread like mist and cloud over the city. The poison caught people in their sleep, awakening them in choking pain, terror and panic. Many got killed during sleep. It is estimated that around 10,000 people died and more than 2, 00,000 were injured. Many survivors suffer from permanent respiratory illness and impairment of vision.
Q. Why can the amnion also be considered an adaptation to terrestrial life? The amnion is as well an adaptation to dry land since one of its functions is to prevent desiccation
ATP The energy currency of the body One of the monomers used in the synthesis of RNA Contains three phosphate groups àhigh energy Removal of one releases e
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What is yellow fever? Yellow fever is a viral infection that happens mainly in Central Africa and in the Amazon region of South America. It is prevented through vaccination and
Most of them happen on mucous membrane. Allergens enter the body by the process of inhalation or ingestion.
Describe ASD closure and VSD closure in heart dieases? ASD Closures : Small ASD's can be closed directly. Others will need a pericardial patch. Piimum ASD and Sinus Venosus A
Explain the term 'health' Mention any two ways of maintaining it. Why does a doctor administer tetanus antitoxin and not a tetanus vaccine to a child Injured in a roadside acci
Regarding the article "One Hundred Tests" which of the following is a false statement? A. Genetic tests like the one developed by Counsyl can examine the multilevel genetic net
Define Magnesium levels in erythrocytes and lymphocytes? Magnesium levels in erythrocytes and lymphocytes: These measures appear to provide a more accurate assessment of body M
Autoxidation It is generally agreed that "autoxidation", that is, the reaction with molecular oxygen via a self - catalytic mechanism, is the main reaction involved in oxidati
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