The root therm means heat.
The answer is true. if you dont have a prescription for a medicine and you just buy all kinds of meds that you dont need or isnt prescribe by your doctor then it is consider as a drug abuse <span />
Answer:
The correct answer is herd immunity.
Explanation:
Herd immunity is the resistance against a contagious disease provided by the immune individuals which makes the major part of the population to few susceptible individuals in the community.
So as most of the population is immune to the disease therefore that disease is not able to overpass these immune individuals and the susceptible person is protected indirectly from that contagious disease. By vaccinating most of the people against a disease we can gain herd immunity. So the right answer is herd immunity.
I would say A. for your answer but, that seems to be the best one