Final answer:
The Tsembaga people offer a cultural account for their behavior of not building houses in low-lying areas due to their fear of spirit possession.
Step-by-step explanation:
The Tsembaga people offer a cultural account for their behavior of not building houses in low-lying areas due to their fear of spirit possession. According to their beliefs, spirits can possess people or objects, and low-lying areas are considered to be closer to the spirit realm. By avoiding building houses in such areas, the Tsembaga people believe that they can prevent spirit possession and maintain a safe living environment.