You are asking the question wrong. The name of the number is frequency.
The ozone layer is the answer!
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.
Answer:
They'll probably eat more and feel less challenged as they can accsess the mouses easisly. Being in an envirment that challenges you is important, it is essential to self growth. Also it is unhealthu for the owls to eat to many mouses.
Explanation:
Catalyst maybe ( lower activation energy).