<span>Personal space is practically universal concept familiar to all humans. Its basis is biological but depends heavily on cultural factors. In chilly Scandinavia, people prefer a good deal of personal space. It is not uncommon to see people at a bus stop two meters apart. In contrast, other places like Italy see physical closeness and contact as an important part of developing and maintaining social bonds.</span>
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Answer:
A change in the speed or direction of an object is called acceleration.
