Tag: Uses
OXYGEN (O2) PROPERTIES AND USES
786 ViewsOXYGEN (O2) PROPERTIES AND USES Oxygen (O2) is an active, life-sustaining component of the atmosphere; making up 20% by…

Posted in Business Studies
SOURCE DOCUMENTS AND THEIR USES
6,850 ViewsSOURCE DOCUMENTS AND THEIR USES A source document is the original record of transaction.it states the basic facts of…
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