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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.
COMPOUN D EPITHELIA (MULTILAYERED EPITHELIA) - These are made up of more than one layer of cells. The compound epithelia may be stratified and transitinal. 1 .
What is Biogenetic Law and define Bilateral symmetry? In brief, ontogeny recapitulates phylogeny. Or, developmental or embryological sequence of an animal repeats the evolution
State the term - neuropsychologists Disorders of speech, language, reading, writing, and mathematical abilities are understood in terms of linguistics and the psychology of lan
Q. How sex occurs in bacteria? Occurrence of sex in bacteria was first described by Edward Tatum and Joshua Lederberg in 1946 (Nature, volume 158, page 558) who were studying m
could you survive on a diet which contain no carbohydrates
Q. What is packaging? What is packaging? Packaging means a coordinated system of preparation of goods (in this case, foods) for shipment, distribution, storage and
A 15 mM solution of potassium chloride is needed for and experiment. The only liquid stock that is a available is a 1 M solution. Calculate how much of the stock solution is needed
Given the cell described in Figure 7.7 with a=100mM, Pk=1.0, and PNa=0.04, at steady state, plot the relationship between Jp and V.
Which one of the following is not a lateral meristem? 1. Intrafascicular cambium 2. Interfascicular cambium 3. Phellogen 4. Intercalary meristem Intercalary m
Explain Management strategies for genetically modified crops? Crops that have been genetically modified (GM) to be toxic to insect pests are now common in US agriculture. Make
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