Please help Describe the stages of economic development described in Rostow's theory of modernization and growth. Then, give an example of at least two ways countries may face challenges when following this model.

What is the "great pacific garbage patch"? (a) a large area of marine debris concentrated by rotating ocean currents (b) a large area around the pacific rim where debris collects from natural disasters such as tsunamis (c) an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability (d) a large trash dump located in hawaii

An enormous wave generated by an earthquake beneath the seafloor is known as a

Which of the following can scientists estimate geologic time? a.observing rock sequences b.radiometric dating c.comparing fossils d.all of these