True. Radioactive wastes can decay in days or it can take up to millions of years.
Answer:
mestizo Native American Spanish
It will be something like b or d
Answer:
True
Explanation:
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Answer:
three half-lives
Explanation:
Converting 12.5% to decimal gives 0.125
If one half life is 0.5.
0.5*0.5*0.5 gives 0.125
Thus 3-half lives has been elapsed
