Which option identifies the two natural wind patterns that move air masses in the United States? prevailing westerlies and jet streams
polar easterlies and jet streams
trade winds and prevailing westerlies
trade winds and polar easterlies

Hannah works at the mall selling book bags. she sold 35 book bags in 5 hours. how many book bags did she sell per hour?

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset

What is the frequency of the sinusoidal graph?