Answer:
He should make a survey with the team that works in the control room, making reports on the functioning of the devices during the last 6 weeks. By reading these reports it would be possible to identify devices that have failed and have not worked well in recent weeks.
Explanation:
In order for the administrator to be able to publish which devices have been failing in the last six weeks he will need to contact the team that works in the control room and has more experience with these devices. Reports on the functioning of the devices must be requested, so that a survey can be made in relation to the functioning of the devices and thus find out which of them have flaws in the required period.
Answer:
The correct answer is herd immunity
Explanation:
Herd immunity is a type of immunity provided by the major population which is vaccinated or immune against an infectious to some individual of their community which is not immune to that infection.
Herd immunity is generated only when most of the population is immune to that particular disease. For example, in measles, 90-95% of a population should be vaccinated against measles to provide herd immunity to the un-immune individuals. So the correct answer is herd immunity.
Hey,
Option c is the correct answer.
I think 1,2,and,4 are true
hope this helps...prevention of childhood diseases and outbreaks, higher school attendance rates and lower occurances of diseases for families that may heave come in contact with children.