Hearing impaired
The term offended his new acquaintance because deaf people do not regard themselves hearing impaired. it certainly arouse feelings of inadequacy when applied to them.
A man who smokes, drinks, and talks a lot may be fixated at the oral stage of psychosexual development.
The oral stage or hemitaxia denotes the first psychosexual development stage, at this stage in life, are oral, or mouth orientated, such as sucking, biting and breastfeeding.
Answer:
When surfaces in contact move relative to each other, the friction between the two surfaces converts kinetic energy into thermal energy (that is, it converts work to heat). This property can have dramatic consequences, as illustrated by the use of friction created by rubbing pieces of wood together to start a fire.
Explanation: