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  • one year ago

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 (1 point) a a controlled experiment. b experimental bias. c cultural bias. d skepticism

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  1. anonymous
    • one year ago
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    b. experimental bias

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