Answer:
She is using a biased sample for her data collection
Explanation:
Juanita should have gone across different sections to collect her data in order to have a more representating sample but the samples she used is biased because she was generalizing her study based on only one dentist that she got to study her patient whereas the doctor has gotten some toothpaste from the company.
Answer: Castles could serve as a centre for local government, administration and justice. They were also used by powerful lords to display their wealth and power through lavish architectural styles and decoration.
There are several factors for establishing a civilization which are:
Big population centers: These help people survive with the help of each other, like farmers can grow and sell in these areas etc.
Monumental Architecture or Art: This will be identified as their legacy
Record Keeping: This can be a language or any other recording system to help record the history and traditions.
System of administering areas: Help run the place smoothly.
Labor division: Various people are skilled at various jobs, to do a certain job a skilled laborer is required.
Social Class System: It can be based on wealth as well as the type of work performed.
In order to become a civilization a society needs to bring all these attributes in and work towards a common goal of achieving them.
<span />
C. the federal law, the supreme court hears cases from state courts only if they involve federal law.