Which of the following would be the best method for investigating the correlation between the hibernation habits of bears and th
e temperature for 90 days prior to their hibernation?
A. Survey
B. Observational study
C. Randomized experiment
D. Experimental study
A. Survey
B. Observational study
C. Randomized experiment
D. Experimental study
1 answer:
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Answer:
x = 30
Step-by-step explanation:
(30) +
(30) = 28
(30) = 18
(30) = 10
18 + 10 = 28
