Question

what is smile


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Answer 1

Answer:-

• To have or take on a facial expression showing usually pleasure, amusement, affection, friendliness

Hope it helps uh!..❤

Answer 2

Smile => :)

Basically it's a fake smile , real smile comes on our faces when someone tells a joke or makes you feel happy.

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Nanotechnology is the materials science involving the manipulation and manufacture of materials and devices on the scale of nanometers (billionths of a meter).