Kilo grams................
its the SI unit of mass.
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1. kg- kindergarten- it is the beginning of children's journey through school where they learn important early numeracy, literacy and social skills.
2. kg- kilogram- the base unit of mass in the international system of units that is equal to the mass of a prototype agreed upon by international convention and that is nearly equal to the mass of 1000 cubic centimeters of water at the temperature of its maximum density 

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