It can represent many things: In care of if it is c/o Co. then it is usually company. CO refers to Commanding Officer CO can refer to Carbon Monoxideit also means Contact Operation and you use it in...
co ed schools are schools with boys and girls
Master of Education
It stands for Edison, as in Thomas Edison. Con Ed is the electric company in the northeast USA.
i am pretty sure it is cobalt. atomic number is 27. it is a solid. it is a metal. its atomic mass is 58.933.
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