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 ...

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