Commercial agriculture consists of raising food for trade and profit, while subsistence agriculture focuses on -- a. providing the basic needs of the farmer's family b. providing the basic needs of the neighboring communities c. creating more arable land for future use d. obtaining subsidies from governments and corporations

providing the basic needs of the farmer's family

Explanation:

Commercial agriculture can be defined as the large scale production of the crops for sale. This agricultural practice is performed on a large hectare of land. But subsistence agriculture takes place to grow the food crops by the farmers to sustain their families or to fulfill the daily food demand. This practice involve little or no surplus trade.