Which statement best shows the central idea of the original passage? Machu Picchu is high in the Andes Mountains
Machu Picchu is located in a beautiful area.
Machu Picchu is in a beautiful location, with the Andes Mountains in the distance. There is forest all around the city.
Machu Picchu is very hard to find because it is high in the mountains.

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.