An example of a documentary source is

Here are the answers to the questions:

4. An example of a documentary source is:
A documentary source is a written or recorded piece of evidence. A court record is a formal written document. Praise songs and funeral dirges are oral traditions, and a fossil is a physical remnant.

• A. court record.

5. Which of the following was not a salt producing area during the trans-Saharan trade?
Bilma, Taghaza, and Taodeni were significant salt-mining and production centers in the Sahara. Timbuktu was a major trading city and a center of learning, but it was not primarily a salt-producing area itself; it was a hub where salt was traded.

• D. Timbuktu

6. The gold mining area during the trans-Saharan trade was located at:
Wangara was the name given to the rich gold-producing region located in the forest areas south of the Sahara, which supplied much of the gold for the trans-Saharan trade. Walata, Timbuktu, and Jenne were important trading cities.

• C. Wangara.