2. Piliavin et al. note that the subway study done in the field was different than previous lab studies because of two
reasons. Describe these two reasons. [4]

Read the statements and determine the correct answer for each blank. microorganisms that cause diseases are known as . they thrive best between the temperatures of °f °f. because are usually around 70°f, it the growth of spoilage-causing bacteria. a)

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.

Type the correct answer in each box. use = 3.14 and if necessary, round your answers to the nearest hundredth. the area of the largest cross section of a sphere and the circumference of the sphere are in the ratio 4: 1. cm. the area of the largest cross section is about the radius of the sphere is cm. the circumference of the sphere is about cm2. the volume of the sphere is about cm?