Sentences with phrase «held microscopic bits»
O'Driscoll also noted that most projectile impact marks were located on vertebrae or rib bones and that 17 % percent of the marks overall — and 50 % of the punctures — held microscopic bits of embedded stone from the flint points, due to the high velocity of impact.
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Most of the time, atmospheric chemists can see the carbon clumping taking place; when the microscopic bits reach a certain size, they are able to attract and hold water.