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OpenStudy (anonymous):
A woman treated her home with a pesticide that kills spiders. The first application killed 78% of the spiders. Two months later she applied the pesticide again, but it only killed 45% of the spiders. What would best explain the decrease in the effectiveness of the pesticide?
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OpenStudy (anonymous):
The answers because they all wouldn't fit together
OpenStudy (anonymous):
I believe it's C as well.
OpenStudy (anonymous):
Thank you for your reply.
OpenStudy (anonymous):
Anytime!
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