The correct answer is D. Steel
Answer:
Using a control group means that any change in the dependent variable can be attributed to the independent variable.
Explanation:
Weather is known over short periods of time and can be inaccurate, climate is figured out over long periods of time and effects a larger area
I think that the question asks about the time of the War in Bosnia and other parts of Yugoslavia in the first part of the 90s. The Serbian soldiers that committed mass murder of Bosnian population, mostly men, referred to this as "ethnic cleansing" which sounded better than "genocide"
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