“The Avogadro constant, commonly denoted NA or L, is an SI defining constant with an exact value of 6.02214076×1023 mol−1 ...

An average sized star-nosed mole is 19 mm (7.6 in) in length and weighs 50 g (1.8 oz). The range is from southeastern Manitoba to Labrador and Nova Scotia, south and east to southeastern Georgia. The ...