Physics

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B)In physics (and in all science) standard units are used to ensure measurement uniformity. Which of the following fictitious units of measurement could not be considered a standard unit?

1) The grimph: a distance unit equal to exactly 4 meters.
2) The nicket: a time unit equal to exactly 1/45 of a second.
3) The pinkie: a distance unit equal to the exact length of the right pinkie finger on the current U.S. president.
4) The brund: a unit equal to the mass of two million hydrogen atoms.

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