How did the ancient puebloans adapt to their physical environment

The way the Ancient Puebloans adapted to their environment is by; They lived in a range of structures that included small family pit houses, larger structures to house clans, grand pueblos, and cliff-sited dwellings for defense.       They also had Ancestral Puebloans that possessed a complex network that stretched across the Colorado Plateau linking hundreds of communities and population centers. Not only this but, they held a distinct knowledge of celestial sciences that found form in their architecture

it should be d or b but i'm sure it's d

answer; the above statement is (true);