The answer to your question is, competent person
Answer:
The body's homeostatic control mechanisms ensure that a balance between fluid gain and fluid loss is maintained.
Explanation:
I would say false but im not 100% sure
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.