Which of the following is not a factor of production(this is an economics class question)

a. the land required for a hog farm

b. the training required to repair an airplane engine

c. the teacher required to teach an economics class

d. the amount of money required to buy a car

In e. c. tolman's experiment, some rats were trained to run through mazes for standard food goals, while other rats were allowed to explore the mazes for 10 days without food goals or other rewards. later, when food rewards were placed in a box at the far end of the maze, the previously unrewarded rats reached the food box as quickly as the rewarded rats after only one or two trials. this experiment demonstrated that the rats had the ability to form of their surroundings.

Which statement is not true about the missouri compromise? 1.) slave owners could pursue escaped slaves into “free” regions. 2.) maine entered the union as a free state. 3.) slavery was allowed throughout the louisiana territory. 4.) missouri entered the union as a slave state.

What is the subcategory of tournament,pageant,match (used as a noun)