Reaction time involves selecting a specific and correct response from several choices when presented with several different stimuli.

Why is the continuous presence of police officers and vigilant members of the public an ineffective crime prevention strategy? *criminology*

Which of the following statements is not true about regions? a.) regions have fixed boundaries that are determined by the region's inhabitants.b.) a region can be defined by physical characteristics, such as climate, landform, and vegetation.c.) regions can change over time.d.) a region can be defined by human characteristics, such as language, government, and economic activity.e.) the same location can be considered part of multiple regions.

What is tge speed of sound in dry air at 0°c