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Biology, 30.08.2021 20:40 luxmimspcbcxf

The average sperm count in the developed world has fallen by one third over the last 15 years.
The present average sperm count is 30 million/cm of semen.
Calculate the average yearly fall in sperm production over the 15 year period.

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The average sperm count in the developed world has fallen by one third over the last 15 years.
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