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PolarNik [594]
3 years ago
12

The graph below shows the radioactive decay of a material whose half life is 25 years.

Biology
1 answer:
yawa3891 [41]3 years ago
5 0
The half life is the time taken for the amount of a substance to become half of its original value. If we take the initial value to be 30 on the y-axis, the half of 30 is 15. We check the time at which the substance has reduced to 15 atoms and this is about 40 seconds. <span>40 seconds therefore, is your answer.</span>
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