Answer:
They were expensive because people with special skills were needed to produce them.
Explanation:
The text doesn't say anything about the last two options, and not only wealthy people bought them. They weren't rare either.
Answer:
to find its answer you should read the lesson properly.
Explanation:
without reading the we can't tell the answer
Im pretty sure is the last one
Answer: B
Explanation:
A convenience sample is made up of people who are easy to reach/ easy to contact
