Afederal system of government is
a) unique to the united states.
b) one in which the central government controls the economy.
c) one in which central government power is limited by a system of checks and balances.
d) one in which power is shared between a central government and state or regional governments.

Explain how tectonic plate movement creates geological events and features.

Which of the following was featured in the middle-class lifestyle of the gilded age? a new emphasis on acquiring goods a return to classical ideals renewed interest in controlling journalists a reflection of rural values

Identify the example of when situation and time are key to assessing risk of harm in a research study: a study on the efficacy of a behavioral intervention for smoking cessation involves both adults and teenagersasking women if they have had an abortionresearch on the prevalence of hiv-infected individuals in communitiesa survey about sexually transmitted diseases