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.
Answer:
Muscular strength
Explanation:
That checks that he or she runs fast or not
Answer:
true
Explanation:
A "warning" is issued when severe weather is happening or about to happen. There is no longer time to prepare. ... A "watch" means severe weather is possible during the next few hours, while a warning means that severe weather has been observed, or is expected soon.
The answer is b. it is indirect therefore if it doesn't touch it it cant contaminate it
C
Surplus fertilizer is often scatter through the weather (rain for example). This pollutes the environment, creating unnatural things in the environment.
