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Q. Coating of solid waste with impervious material is known as
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Q. Optical fibers are mainly used for which of the following?
Q. Plants get water through the roots as of-
Q. Digital circuit can be made by repetitive use of this gate :
Q. People die in an atmosphere of carbon dioxide because
Q. The percentage of nitrogen in Air is
Q. The best conductor of electricity among the following is:
Q. Soldering of two metals is possible as of the property of:
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