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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
The effect of falling water on topsoil Fill a flower pot with sandy soil or loam. Set the pot under a dripping tap for an hour or more. View how the clay and inorganic matter a
AIDS: You have learnt about infectious diseases. For centuries, death from infectious diseases was common and whole populations were often affected. One of the remarkable achi
In many states, marijuana is now legal for certain medical purposes. Identify some clinical issues that may now present themselves because of this. What if you have a client who is
Explain Glucagon Glucagon is secreted by a-cells of Islets of Langerhans. It is a hormone containing 29 amino acids. Its effects are opposite to that of insulin.
how many human body systems ?
methods of heat transfer
Discuss in brief about the Red soils Red soils are characterised by a rusty red colour due in most cases to the presence of various oxides of iron. They are either formed in
Driving a boat by surface tension Secure some gum camphor at the drug shop. Cut two or three boats from stiff paper, every about 2.5 cm in length. Cut a notch in the stern larg
Question 1 Explain the Human Organ Transplantation Act and its legal implications Question 2 Discuss the regulatory requirements in setting up and running a blood bank
Extra-terrestrial life: Just as we have been curious about how life originated on the Earth, we have also tried to explore whether there is life on any other planet in the Sol
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