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in what environment is UV ight used to inactivate microbes?
A light bulb is not a source of electricity. It is a device used to harness electricity to provide light.
The answer is iron. It is used to make steel for tools,machinery,and light-blub filsments. +++ Not the light-bulb filaments. They are made from tungsten.
it was the germans
Gases that are used everyday
A deaerator device is a mechanism found on steam boilers. Its purpose is to remove oxygen and other gases from the water that is entering the boiler tank, since the presence of oxygen or gases can cause corrosion on the inside of the boiler.
In a helium balloon- one that floats and rises to the ceiling it is elemental helium that is used to inflate the balloon. If you just blow into a balloon to inflate it then it is air inside the balloon which is a mixture of gases, principally nitrogen and oxygen (both elements). There are also other gases that are chemical compounds such as carbon dioxide.
In a helium balloon- one that floats and rises to the ceiling it is elemental helium that is used to inflate the balloon. If you just blow into a balloon to inflate it then it is air inside the balloon which is a mixture of gases, principally nitrogen and oxygen (both elements). There are also other gases that are chemical compounds such as carbon dioxide.
i would like to know about differents gases we used and why do we used them in which way
Compressed gases are used as fuels, in industry, laboratories, hospitals, etc.
gases were used by pitting Jews in gas chambers then putting gas in it and killing them