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:

Answer:
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Answer:
The change is greatest for the solid ball
Muscle contraction happens only when the energy molecule called adenosine triphosphate (ATP) is present
Sperm, Egg (1 egg and 3 polar bodies), 4 different, haploid