Answer:
Ideally, the experimental and control groups are identical. As much as possible, the two groups should overlap in every characteristic.
Explanation:
At the beginning of your study, you need your two groups to be as statistically similar as is humanly possible. That way, when you control for other variables, you can reasonably attribute any statistically significant differences at the end of the study to your intervention.
Hey, the right answer is <u>(C) Condensation And Evaporation.</u>
<u>Hope this helped out.</u>
Answer: Predicting the size, location, and timing of natural hazards is ... of understanding that can be used to predict natural hazards
Explanation:
The answer would probably be be D