1) biases are eliminated because mass analysis looks at the entire assemblage; both completed and fractured.
wˈʌn bˈaɪəsᵻz ɑːɹ ᵻlˈɪmᵻnˌeɪɾᵻd bɪkˈʌz mˈæs ɐnˈæləsˌɪs lˈʊks æt ðɪ ɛntˈaɪɚɹ ɐsˈɛmblɪdʒ; bˈoʊθ kəmplˈiːɾᵻd ænd fɹˈæktʃɚd.