Geography, 01.06.2021 22:20, sarah19Nursing
The half life for the radioactive decay of potassium- to argon- is years. Suppose nuclear chemical analysis shows that there is of argon- for every of potassium- in a certain sample of rock. Calculate the age of the rock.
Answers: 2
Geography, 22.06.2019 17:20, Attaullah8207
Which of the following factors is not used to measure a country’s standard of living? a.) life expectancy b.)educational levels c.)divorce rates d.) gross income
Answers: 1
The half life for the radioactive decay of potassium- to argon- is years. Suppose nuclear chemical a...
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