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Air Pollution
Air pollution is one of the major problems created by modern man. It is estimated that about 100 million tons of waste are poured into our atmosphere each year. Wastes in the form of smoke from industry, power plants, automobiles and homes; and also due to burning of fossil fuels, spread pollution into our atmosphere. Aircrafts also release large amounts of burnt or unbumt fuel into the air. You may have seen a long trail of smoke left behind by a climbing jetliner.
The burning of coal, wood, diesel oil, kerosene, petrol etc. produces the following five categories of pollutants:
i) Carbon monoxide
ii) Hydrocarbons
iii) Particulates
Define Systemic Physiology - physiology of growth and development There is a change in the blood count and rate of haemoglobin (Hb) production during the early days. Cardiovasc
Explain the Role of cholecystokinin Pancreozymin (CCK-PZ): The presence of food in the upper small intestine also causes another hormone, CCK-PZ to be released. It is a polypep
How Temperature of the Earth's Layers is changed? How does the temperature of the Earth's interior change as one goes deeper within the Earth? As one might expect, the farther
Define age related changes in Endocrine system There is a decrease In blood concentration of the hormone / binding protein transport. Sensitive hormone receptors diminish. Age-
Personal sensitivity : There are other dangers from substances which are not so common. e.g. mutagens , but one aspect we have not mentioned involves you. The eyes, lungs and skin
Classification of Fires As explained also. We can say that the four main sources of fire risk in the science laboratory are: i) flammable substances, ii) compressed and
Miscellaneous Dangerous Substances : This was introduced in the United Kingdom to identify other hazardous substances and consists of a black exclamation mark on a white backgroun
Burns : There are two types of burns which we are to discuss: 1) Chemical 2) Thermal Chemical burns have already been discussed in Sec. 16.7; so we shall discuss thermal
What is Pancreatic juice Pancreatic juice is alkaline in nature (pH about 8.0) and contains both organic and inorganic substances. The enzyme components are trypsin, c
There are many different venomous animals in the world.The venom produced by one animal can be very different that the venom produced by another animal. There are some animal venom
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