C. Opportunity cost
This is the opportuntiy that they lost. it costed them. Thus, opportunity cost for another opportunity.
Answer: The best example of checks and balances is that the president can veto any bill passed by Congress, but a two-thirds vote in Congress can override the veto. Other examples include: The House of Representatives has sole power of impeachment, but the Senate has all power to try any impeachment.
Explanation:
B. Profits from industrial production should be jointly shared by members of the community.
