C, factory, is the correct answer.
From the statements given the ones that are consistent with this result are:
1-Teenagers do not have as much income as adults, so they are more price sensitive.
The study talks about increasing the price to reduce consumption and clarifies that adolescents are more likely to adapt to changes in price. Which is different from that established in the declaration. But the other two options on adults are even less consistent with the statement about the study.
Answer:
Cause they lived in a different climate so they had to build different to protect themselves or keep them themselves warm.
Explanation:
