kylies2421 kylies2421
  • 22-11-2022
  • Chemistry
contestada

if your sample of potassium feldspar contains 50% argon-40 and 50% potassium-40, how many half-lives have passed?

Respuesta :

Otras preguntas

what is a wave that bounces back from a barrier called?
How is the old smith in "Honest Work" different from the king's groom in "For Want of a Horseshoe Nail"? A. The old smith is a cheerful and kind, while the kin
What two groups of people received the most help from the Second New Deal? -the wealthy -minorities -unemployed -women
Which is a complete sentence? A. Explore six Pueblo sites in four states. B. Streaked red canyon walls and ancient cliffside dwellings. C. A winding path that l
What were four factors that contributed to industrialization in Britain?
How do you think the Aztecs were able to establish an extensive empire in such a relatively short period of time?
how many times greater is one hour than one minute
Which sentence uses a verb that agrees with its pronoun subject? A. Neither of the sandwiches are fresh. B. Some of my father's hobbies is expensive. C. Somebod
How to solve these equations? [tex] 1) sin^2x+|sinx|-2=0 [/tex] [tex] 2) |sinx| = cos2x[/tex]
how many times greater is one hour than one minute