Who founded tumblr? a. ben silbermann b. evan sharp c. kevin systrom d. david karp the right answer is "d"

Why did the athenians choose officials by lottery? would there be drawbacks to this method? explain.

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.

Why did working women earn one-thrid to one-half as much as men