The correct answers are A& B.
Nonverbal communication is how we communicate or express feelings without actually saying something. Rolling your eyes at someone is an example.
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Unusual, abnormal is something not used lightly and shouldn't because demonstrating abnormal behavior is something to be worrisome about.
Helped them calculate the flood.
That's true.
<u>Copyright is the set of prerogatives conferred by legislation to any natural or legal person who has created an intellectual work, and serves to ensure jurifically that the use of the work and its respective benefits are the creator, under penalty of suit in case of misuse.</u>
However, there are some situations where US law authorizes the use of copyrighted works by third parties, depending on the purpose.
The perimited purposes are educational, cultural, critical and incentive to research and dissemination of knowledge, and it is prohibited to use for profit and commercial purposes.
