12. The opportunity cost of a decision can be examined by using a
production possibilities graph
graph of increasing costs
factors of production chart
global trade-off grid
tition

Match each idea to the correct principle of government. federalism separation of powers checks and balances divides the powers of government into different branches arrowright divides the powers of government between central and state governments arrowright each branch of government has certain powers that prevents the abuse of power on the people arrowright