According to recent air quality emissions, which of the following air pollutants has seen the biggest decrease?

A. lead
B. carbon monoxide
C. nitrogen dioxide
D. sulfur dioxide

A. lead

Political Science

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A municipal court of nonrecord can be converted into a court of record by requiring the city to conduct a special election

Indicate whether the statement is true or false.

Political Science

How many U.S. states employ a winner-take-all presidential election system in which all their electors are awarded to the presidential candidate who wins the most votes statewide?

a. five b. 26 c. 48 d. all 50

Political Science