The importance and uses of nitrogen gas
Nitrogen gas is used in small amounts to fill some types of lamps, In incandescent light bulbs as an inexpensive alternative to argon, and it is used to store the petroleum liquified explosive and...
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The mechanism of the respiration process in the human
The respiration process In the inhalation process, we take oxygen gas, but in exhalation process, we expel carbon dioxide gas and the water vapor, so, the respiration process includes two processes which are the...
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