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mafiozo [28]
3 years ago
15

a substance has a half-life of 100,000 years and an initial mass of 1,000 grams. how many years will pass before only 250 grams

of the substances parent material is left?
Biology
1 answer:
Anna007 [38]3 years ago
8 0
I`ll take a gander and say <span>200,000 years</span>
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What is the main difference bwtween prokaryotic and eukaryotic cells​
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4 years ago
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At the end of winter, water containing very high concentrations of road salt used to deice roadways runs off and some of it ente
jeka94

Answer:

D

Explanation:

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