Which theme is introduced in this exposition? silence is its own reward. Real peace is found in nature. Curiosity leads to dark truths. Danger lurks most often at home.

Give an example of the type and scale of economic activity for a traditional economy.

If inflation is 6% and nominal gdp grew by 4%, then during the same period real gdp changed by a) -2% b) 2% c) 4% d) 5%

The graph shows the populations of two species over time. which type of symbiotic relationship does the graph represent? a. commensal b. mutualistic c. parasitic d. parent-offspring e. predator-prey