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One half of Barium-139 decays into another element after 86 minutes. The 86 minutes is referred to as this element's...

Select one:
a. half-life.
b. radioactive phase.
c. time zone.
d. quarter time​

User Jarandinor
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1 Answer

3 votes

Answer:

d)quater time

Step-by-step explanation:

that's my ans

User Shigeta
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