How are plant and animals cells are the same

Chris would like to conduct a study on the effectiveness of a new substance-abuse treatment program. he has a sample of participants go through the program and he uses as a comparison group people who did not volunteer for the program but were eligible. chris has used a(n) design for his study.

Name two examples of nutritional limitations and food

What does the creature say is the reason for his bloodthirsty, fiendish behavior?