Cotton is a good example of A. a cash crop.
The purpose of planting and harvesting a cash crop is the economic profits it generates. A subsistence crop yields food for the farmer and family. A disease-resistant crop withstands crop diseases in its growth and maturity. An unprofitable crop does not yield economic profits for the farmer because the cost is more than the revenue it generates.
Thus, Cotton is an example of a cash crop because it is planted for its economic profits.
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