Answer:laboratory experimentation
Explanation:
The type of investigation that represent the descriptive method of scientific inquiry are; observation, case study and survey.
Susan seems to be exhibiting hyperactivity or anxiety.
Answer: A) Paternalism
Explanation:
This phenomenon is the effort of a group, organization, and political structures to abolish certain human freedoms under the pretext that it is the best decision at a certain moment. Paternalism is also evident in the relationship between parents and children, so we often witness how parents forbid certain things to children because they think they are bad. If they do not have to be, they are often the product of subjective observations. Many experts consider Paternalism a negative phenomenon because the hesitation of freedoms must never be the solution.
The reason why one case of influenza does not confer lifelong immunity is that the virus tends to mutate overtime which makes it unrecognizable to the immune system.
<h3>Why is it difficult to get immunity to influenza?</h3>
Influenza is caused by a virus which tends to mutate overtime in order to stay ahead of medical technology.
As a result, this mutation makes the original virus unrecognizable to the immune system which would then be unable to fight it.
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