For questions 4 through 7, use the following: A. Independent variable B. Depende

Question

For questions 4 through 7, use the following: A. Independent variable B. Dependent variable C. Confounding variable D. Control Hypothesis: Exposure to 2.5 mg/l sodium chloride solution will be lethal to trout minnows. 4· “exposure to 2.5 mL! salt solution" is the 5. "lethal is the Hypothesis: Eggshells of raptors that were exposed to 5 ppm mercury will be 10% thinner than eggshells of raptors that were not exposed. 6. The thickness of the eggshells is the_ 7. Raptors that are not exposed to mercury are the Revised: August 7, 2010

Explanation / Answer

4) control

5) confounding variable

6) dependent variable

7) Independent variable

8) F(both A and C)

9) B(false)

10 G(all of the above except C)

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