Labor with a Particular Skill Level and Training Is Used

Multiple Choice

Labor with a particular skill level and training is used in only two industries: grape cultivation and cranberry cultivation.Which of the following is likely to cause an increase in the demand for this type of labor?

A) improved technology that leads to more efficient machines for grape picking
B) publication of a report asserting that drinking two glasses of grape or cranberry juice every day improves digestion and heart health
C) a report by the USDA that an increasing proportion of imported grapes are contaminated with unacceptable pesticides
D) a decrease in the amount of land used for growing cranberries