Correct. The answer is b. In order to illustrate how scholars know that southwestern groups like the Mogollon, Hohokam, and Anasazi lived and worked in permanent settlements, the author discusses the types of durable structures they built. In particular, he emphasizes their construction of complex irrigation grids, pit houses, and cliff dwellings.
Incorrect. The answer is b. In order to illustrate how scholars know that southwestern groups like the Mogollon, Hohokam, and Anasazi lived and worked in permanent settlements, the author discusses the types of durable structures they built. In particular, he emphasizes their construction of complex irrigation grids, pit houses, and cliff dwellings.