In ancient persia, "qanats" were vital to survival. what is a "qanat

What led to the westernization and annexation of hawaii?

This chart shows the number of soldiers killed according to two different sources. source a is a book written by university professors. source b is from a well-known historical website. in a paragraph, explain why the data presented is different, and evaluate the reliability of each source. which should be used in a school research project, and why?

In the construction of a new housing development which factor of production can be categorized as land?