I want to say yes because those are factual evidences that can't be denied whereas testimonies are important, they can just not be telling the truth.
Answer:
Food preservation is stroring Food in a good condition.
Explanation:
Types of Food preservation
1. Traditional preservation
2. Morden preservation
How are we supposed to know.
Answer/Explanation
African traditional medicine is a form of holistic health care system organized into three levels of specialty, namely divination, spiritualism, and herbalism. The traditional healer provides health care services based on culture, religious background, knowledge, attitudes, and beliefs that are prevalent in his community.