Which statement describes potassium-argon dating?

Biology

2 answers:

Dimas [21]4 years ago

5 0

Answer:

Explanation:

did the test

Fiesta28 [93]4 years ago

3 0

Answer: Potassium-40 decays into argon gas over time.

Explanation: Potassium-argon dating is a dating method used to determine the age of sedimentary rocks by comparing the proportion of K-40 to Ar-40 in a sample of rock, and knowing the decay rate of K-40.

Potassium-40 undergoes decay following first order kinetics as given below:

$_{19}^{40}\textrm{K}\rightarrow _{18}^{40}\textrm{Ar}+_{0}^1e$

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