If you attend a public high school, you are not charged admission fees or tuition. Does it
follow, then, that you face no opportunity cost
in attending school? Explain your answer.

What is another name for the spanish navy in 1588? a) spanish royal fleet b) spanish armada c) spanish yacht crew d) spanish tall ships

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 do you think that historians use the word “revolution” to describe important changes in agriculture? how did the green revolution and other agricultural revolutions change the lives of billions of people? < < read less