Young people are more likely to be out on the street than________.

The boundary between two air masses of different densities is called a ____.

Coastal upwelling is most common in association with ____ in the Northern Hemisphere.

A zone in which the ocean’s salinity changes rapidly with increasing depth is called ____.

Which of the following factors are not how efficient departments deliver patrol services to the public?

Community policing alters the basic philosophy of policing.

Oxygen first began to accumulate in Earth’s atmosphere as a result of ____.

A patrol “hot spot” is an area that receives a ________number of calls for service.

Which of the following is not “physical” disorder?

On a planetary scale, the ocean comprises about ____% of Earth’s mass.