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Harlamova29_29 [7]
3 years ago
9

Avoiding bias, increases reliability and is important to experimental data. A scientist is investigating the cause of contaminat

ion of well water at a specific location. Four residents of the location responded to questions asked by the scientist. The chart below shows their responses. Questions Resident 1's answer Resident 2's answer Resident 3's answer Resident 4's answer Do you work at the gas station near the well? No Yes No Yes Does anyone in your family work at the gas station? No No Yes Yes Have you observed any change in the quality of well water? Yes No Yes Yes Which of these residents is most likely to provide reliable information? Resident 1 Resident 2 Resident 3 Resident 4
Biology
1 answer:
lys-0071 [83]3 years ago
7 0

Answer:

A. Resident 1

Explanation:

the answer is resident one because they have no personal connection to the gas station but the other residents do. This leaves them unbiased to the situation

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an isolated colony on a selective medium is not considered a pure culture because inhibated organizms might be masked by the col
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