SavyBreyer
25.05.2021 •
Chemistry
At 0 half-lives, a sample of Uranium-238 is 60 grams. After one half-life has gone by, how many grams of uranium-238 will remain?
A.60 grams
B.15 grams
C.30 grams
D.7.5 grams
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Ответ:
C: weather patterns
Explanation:
weather forecasters use weather patterns to predict the weather