Krypton's atomic number is 36. This tells us that an atom of krypton has 36 protons in its nucleus<span>.</span>
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:

Given what we know, we can confirm that the scandal committed by the Secretary of the Interior who worked under President Taft was that he sold Alaskan coal lands that were supposed to be national parks.
<h3>Why is this important?</h3>
National parks are the way in which the government can preserve lands and protect the conservation of the organisms that inhabit those lands. The selling of these lands marked a major scandal at the time as they were considered shady dealings, shrouded in secrecy, that undermine conservative efforts.
Therefore, we can confirm that the answer is C, as he sold the Alaskan coal lands that were supposed to be protected national parks.
To learn more about national parks visit;
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Answer:
DISCULPA... HABLO ESPAÑOL...
PODRIAS AYUDARME? NO ME SIRVE EL TRADUCTOR Y NO SE COMO ENTRAR A BRAINLY VERSION ESPAÑOL
._. TODOS HABLAN INGLES AQUI... SOY COLOMBIANA
Explanation:
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