Who is ‘lucy’?
a. the archaeologist who discovered the earliest known primate
b. the earliest known human ancestor
c. the tallest known human ancestor
d. the first goddess of mesopotamia

Along-run equilibrium occurs when long-run aggregate supply and aggregate demand meet. what does having long-run equilibrium indicate about a society? the society’s supply and demand have stagnated. the society is using all of its resources efficiently. the society’s needs are being fully met. the society is not using all of its resources effectively.

Was the first african american to be appointed to the u.s. supreme court.

How many countries have signed the kyoto protocol?