Question

Define a fundamental unit.
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Answer 1

Explanation:

each of a set of unrelated units of measurement, which are arbitrarily defined and from which other units are derived. For example, in the SI system the fundamental units are the metre, kilogram, and second.

a thing that is or is perceived as being the smallest part into which a complex whole can be analysed.

"the house is the fundamental unit of Basque society"

Answer 2

Answer:

The fundamental units are the units of the fundamental quantities, as defined by the International System of Units. They are not dependent upon any other units, and all other units are derived from them. ... The mole (symbol: mol), used to measure amount of substance or particles in matter.

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