D because 60 out of 40 is white and the brown is dominant
HOPE I HELPED :)
The answer is B. Food must be digested and combined with oxygen
Answer:
You would compare the results from the experimental group with the results of the control group to see what happens when you change the variable you want to examine. A control group is an essential part of an experiment because it allows you to eliminate and isolate these variables.
Explanation:
*Hope this helps*
