Ascientist 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? a. a controlled experiment b. experiment bias c. cultural bias d. skepticism
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Biology, 22.06.2019 04:30, mattosmiriah5533
Anton created a chart listing different types of materials. which best complete the chart?
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Biology, 22.06.2019 07:20, Maria3737
What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures
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Biology, 22.06.2019 08:30, aniecethompkins82
Which of the follow describes a disadvantage secondary sources have compared to primary sources?
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Ascientist is studying a new chemical he hopes will prevent insects from eating raspberry bushes. he...
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