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Nutka1998 [239]
3 years ago
10

When a large percentage of a population is vaccinated against an infection, the causative microbe is unable to spread easily thr

ough that population. Because of this, susceptible individuals who cannot be vaccinated are protected to some extent by the community around them. This phenomenon is known as _____________.
-herd immunity-subunit vaccination-passive immunization-adjuvant protection
Biology
1 answer:
ki77a [65]3 years ago
5 0

Answer:

Herd immunity

Explanation:

Herd immunity refers to the resistance of a group of people against infection and the spread of a pathogen. It occurs when a high proportion of the members of that group are resistant against a particular pathogenic infection. When an earlier exposure or vaccination of a large proportion of individuals of a population does not allow the pathogen to spread among and infect the otherwise susceptible members of the population, the population is said to have acquired the herd immunity.

In the given example, vaccination of a large percentage of a population protected the susceptible individuals against a particular microbe. This represents an example of herd immunity.

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Why do you think weather scientists use percentages instead of saying “it will definitely rain today”?
grigory [225]

Answer:

Right now, I am in college for climatology, but before I decided on climatology, I was taking classes in Meteorology, the study of weather. So, I will answer your question. All meteorologists like to be right, but since the weather is so spontaneous, it is really hard to be right. Meteorologists use percentages because it helps them be professional. Also, because, different parts of the region where they are may or may not get the rain. I don't know where you are from, but I will use my hometown. In McAlester, Oklahoma, there may be a 70% chance of rain, but in another part of the region at Tulsa, Oklahoma ( which is 91 miles north of McAlester) there may be a 40% chance of rain. The difference in the percentages can vary from how stable the environment is, altitude, location, and terrain. That is two of the reasons why Meteorologists use percentages to predict weather.

Explanation:

7 0
3 years ago
Design an experiment where you would determine how quickly lactaid works to break down milk sugar
xxMikexx [17]

Answer:

Gather 11 Cups And then fill each cup with 5 ounces of whole milk, next is take the first cup to add a known quantity of lactaid. As A Control take another cup and do not add any lactaid. After 1 Minute, pour a known quantity of benedicts into cups of milk. Record the colour ( blue is the least amount of glucose progressing to green, then yellow, orange, red and brick/red brown). Take another cup of milk and then add the lactaid and wait for 5 minutes... Next is add the benedicts. Record the color, repeat steps 7 - 10 adding 5 minute each time until there are no cups left ( 15 minutes, 20,25,30,35,40,45) .

For the last is graph the data and forms conclusions ..

  • This is the right answer.
  • Hope it helps.
6 0
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List the rocks in order from oldest to youngest.
Romashka-Z-Leto [24]

Answer:

Start from the bottom and go up.

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Kingdoms are a more specific (less broad) category in the taxonomic hierarchy.
gregori [183]

Answer:

a

Explanation:

According to the taxonomical hierarchy, the kingdom is the highest category in biological classification. It is a group of closely related organisms.  

Kingdom - Phylum -Class - Order -Family - Genus -Species.

4 0
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