The answer is C- It’s harder for tobacco companies to attract new smokers without advertising.
I’m pretty sure the answer is c
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)
