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14
OLLI
Amount of Active
Chemical (mg)
80
60
40
20
Decay of a Chemical
0
1 2 3
4
5
Time (yr)
There is approximately the same percentage of active chemical decay each year. Select the approximate p
of chemical that remains active each year.

14 OLLI Amount of Active Chemical mg 80 60 40 20 Decay of a Chemical 0 1 2 3 4 5 Time yr There is approximately the same percentage of active chemical decay eac class=


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