What is the role of profit in a free-enterprise system? a. it delays innovation. b. it prevents coercion. c. it provides a legal excuse for fraud. d. it serves as an incentive.

Humans are the only animals capable of communication

Which of the following would a historian most likely study to find data

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.