Advantage and disadvantage of non-verbal, facial expression

Non verbal communication involves the transfer of information from transmitter to a receiver through the use of body language, facial expression, symbols and pictures. Non verbal techniques are sometimes employed by communicators consciously

eli whitney was an american inventor best known for inventing the cotton gin. this was one of the key inventions of the industrial revolution and shaped the economy of the antebellum south.

a) madame podtochina used witchcraft to make it disappear.