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It is defined as the presence of chemicals and particulate in the atmosphere in quantities and pollution that are harmful to human health and environment. It occurs when the concentration of certain substances become high enough to cause the atmospheric environment to become toxic. Air pollution affects the human being very high because every human being inhales about 15-22 kg of air daily and if it polluted it will damage human health considerably.
Example: SO2, CO, Chlorofluoro-Carbon (CFC'S), Nitrogen oxide etc.
Q. Which are the glands present in the epidermis of birds, reptiles and mammals? In the epidermis of reptiles and birds there are practically no glands. In mammals there are se
Silver point: - Uses of silver point: ease of handing and placement, ductility, radiopacity,and have some antibacterial activity. - Lack of acceptable 3D seal of the ca
"Diversity is good" is one of the axioms of conservation biology. However in absentia of historical information, why is noting higher diversity in a system NOT the best way to eval
coxa of paleomon contain specialised organ called
why mung beans has no endosperm while castor bean and maize seed has?
Explain the Techniques of Culturing? In the last practical we learnt how to prepare culture media. This practical has been introduced to make you aware of the technique of sub-
Q. What are the other names by which erythrocytes are known? What is the function of these cells? Erythrocytes are also known as red blood cells (RBCs) or red corpuscles Red bl
Meaning of Statistical Investigation: An investigation means a systematic search for the knowledge or the truth. In statistical investigation the search for the knowledge is do
why and where endomitosis happen.........?
What is the name of the terminal portion of the axon? The terminal portion of the axon is known presynaptic membrane. Through this membrane neurotransmitters are released into
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