In this sentence from Passage 1, "The pyramids were built as royal burial chambers and were surrounded by funeral temples and other burial sites," the author explains the purpose of the pyramids. This sentence helps develop the author's explanation by:
1. **It tells the reason why the pyramids were built:** The sentence clearly states that the pyramids were constructed as royal burial chambers. This information helps the reader understand that the primary purpose of the pyramids was to serve as tombs for the pharaohs and royalty.
2. **It explains why the location of the pyramids was important:** By mentioning that the pyramids were surrounded by funeral temples and other burial sites, the sentence implies that the location of the pyramids was carefully chosen to be part of a larger complex dedicated to honoring and preserving the deceased rulers.
Therefore, the sentence primarily helps in explaining the purpose and significance of the pyramids in ancient Egyptian culture as royal burial sites.
