Broadly speaking, knowledge is the entire body of information acquired through study, investigation, observation, and experience. to manage all of this knowledge, the mind often uses or mental representations, to signify information.

The correct answer is symbols. It is because knowledge is the information what a person has by which the individual acquires it through the experiences that the individual has experienced and that in order to store it, one will likely use symbols or representations to remember the information that is stored.

an aneroid barometer is different from a mercury barometer in that it provides readings that increase as air pressure increases.

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im sorry i wish i can but try google