It’s D hope it help if didn’t srry
The correct answers are B) salt was used as a form of currency and D) salt was used to preserve food.
<em>The two factors that explain why salt was so valuable to West Africans are salt was used as a form of currency and salt was used to preserve food.
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Salt for West Africans was of the utmost importance. It served as a currency that allowed themto trade gold for salt. Yes, salt was a necessary element for people to survive because salt was used to preserve food. West Africans knew how to find grains of salt from the river beds after rainfall. People from the North of Africa had abundant gold, but no salt. So they often traded gold for salt with Western Africans. So the two factors that explain why salt was so valuable to West Africans are salt was used as a form of currency and salt was used to preserve food.
Answer:
I would say A
Explanation: even tough they had sacrifices they didn't go to war just to secure more people to sacrifice to the gods and those sacrificed were treted like gods before they met their demise and they had llamas and they did have great transportation because how would you explain mancu picu
The practice which is not sound in conducting individuales is C) conducting in-person interviews and telephone interviews in the same poll.
In-person interviews deliver the most representative results. Telephone surveys provide a good alternative but they need using a larger sample.