Final answer:
Chi Wara masks by Bamana artists are used in traditional dance ceremonies to symbolize agrarian life and connect the community with its ancestral heritage.
Step-by-step explanation:
The statement that describes a characteristic of Chi Wara masks made by Bamana artists of Africa is: a) They are used in traditional dance ceremonies. Chi Wara masks are not primarily made for decorative purposes, do not represent ancient deities, and they did not originate in South America. These masks hold cultural significance and are integral to ceremonial costumes worn in religious activities. They symbolize aspects of agrarian life and the association with ancestral heritage. By wearing these masks during traditional dance ceremonies, participants connect with cultural teachings and community strength.