I think the answer is memory or recalling memory, which i think is the same thing. I hope this helps :)
It’s best known for its desert and animals
The answer is b. printing press
The advantages of ethnographic research are provides a rich source of visual data, captures behavior in different complex situations. The disadvantages of ethnographic research is time requirements, reliability for everything dealing with your research.
The answer is because these areas of Africa were separated by the Sahara Desert