Aphotograph of theodore roosevelt is an example of what kind of source

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.

Many of these mythological stories were filled with violence. why do you think this is?

Which of the following is true about countries like england after they industrialized? a. workers usually made less money. b. people began moving to the country. c. time for leisure activities decreased. d. overall standard of living increased.