Northam Warren created the first commercial version of LIQUID NAIL POLISH in 1917.
As the name implies, the LIQUID NAIL POLISH is used on finger nails, to make it look more attractive and beautiful.
This was after he created the fingernail cuticle remover and nail polish in 1911, and nail tints in 1914.
B, (layer C is the youngest layer) :)
Properties of a pure substance are constant because the structure of the pure substance is not varying.
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Answer:
In my opinion I would say it's the Nucleus.
Explanation:
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