C. passing out flyers foe your upcoming garage sale.
The superior vena cava is the large vein which returns blood to the heart from the head, neck and both upper limbs. The inferior vena cava returns blood to the heart from the lower part of the body. The return of blood via the vena cava can be compromised and cause disease. (Take that info and see if it helps)
Answer:
Random assignment
Explanation:
Based on the specifications of the study and the researchers goal, it can be said that in order to reduce the chance that the children in one group have more aggressive personalities than those in the other group, the researchers should make use of Random assignment. This refers to using a randomized protocol in order to assign individuals randomly to each group, thus ensuring that each individual would have the exact same probability of being assigned to a specific group. This would prevent children with certain similar traits to be assigned to the same group because of those traits/personality.