Which of the following describes an increase in technological knowledge?
AA farmer hires another day laborer
BA farmer sends his child to agricultural college and the child returns to work on the farm
CA farmer buys another tractor
DA farmer discovers that it is better to plant in the spring rather than in the fall
Correct answer
D. A farmer discovers that it is better to plant in the spring rather than in the fall
Explanation
The correct answer is A farmer discovers that it is better to plant in the spring rather than in the fall.