Answer:
The correct answer is C. Berbers started using camels instead of donkeys and horses when transporting goods across the desert because camels' natural features, such as their soft pad feet and ability to store fat within its hump, allow them to travel more efficiently through the dessert.
Step-by-step explanation:
Camels are normally used as pack animals. They can ingest 180 liters of water at one time and move without taking water again for more than 10 days, which is enormously effective in the desert, due to the lack of water in it.