How is an increase in the price of a good illustrated on a supply graph?
a. the demand curve shifts to the left.
b. the supply curve shifts to the left.
c. there is upward movement along the supply curve.
d. there is downward movement along the supply curve.

Which statement describes the central idea of the text? a. while the nigerian government has the wealth to improve the conditions in prisons, they continue to view it as a low priority. b. nigerian prisons neglect the physical and mental health of their prisoners by failing to provide them with basic necessities and services. c. the inhuman conditions in nigerian prisons could easily be improved, but the environment is considered part of prisoners' punishment. d. conditions in nigerian prisons are slowly improving as non-government organizations and citizens are providing much-needed equipment to the prisons.