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5 votes
What is the half life of this element?
A. 80 days B. 40 days C. 5 days D. 10 days

User Mdmb
by
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1 Answer

4 votes

Answer:

c. 5days

Step-by-step explanation:

there is no question but if it's a graph

the answer is 5days

User Spaso Lazarevic
by
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