MassExtinctionCoefficientQ[item]⟹validUnit
tests if the given item is in Units of Liter/(Centi Meter Gram).
Checks to see if item is in Units of mass extinction coefficient:
Returns False if the Units do not math mass extinction coefficient:
Can handle metric prefixes:
Can handle single item with value of 1 * mass extinction coefficient Units:
The function is listable and chan check a list of potential mass extinction coefficients: