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15.04.2020 •
Chemistry
Carbon dating measures when the organism died because only then does
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Ответ:
Date time, carbon decays carbon and turns into nitrogen. ... Scientists can determine how long ago an organism died by measuring how much carbon is left relative to the carbon. Carbon has a half life of carbon, meaning that years after an organism dies, half of its carbon atoms have decayed to nitrogen atoms.
Ответ:
Pb2+ + Zn = Pb + Zn2+
Explanation:
During the reaction Zinc will be oxidized by loosing two electrons while Pb will be reduced by gaining two electrons