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jj042674 jj042674
  • 20-01-2017
  • Biology
Answered

A scientist is studying a new chemical he hopes will prevent insects from eating raspberry bushes. he sprays the chemical on a raspberry bush and places it with an unsprayed blackberry bush and some insects in a sealed room. He observes insects eating the blackberry bush, but not the raspberry bush. He concludes that the chemical works. This situation is an example of?

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FOREVERGIRL
FOREVERGIRL FOREVERGIRL
  • 20-01-2017

What're the choices? :)

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