People are genetically the same because of the large number of combinations of alleles.
true
false

Which of the following is an example of the pull factor known as economic migration? a. better educational opportunities pulling people towards a new country b. mexican laborers entering the us to work in agricultural jobs c. joining family members that are already in a new country d. crop failures driving people away from their country i am unsure on this question, i was thinking b? but i could be wrong.

On a map showing the employment density of an urban area that follows the urban realms model, which of following statements best describes what the distribution of jobs might look like? (3 points) jobs closely follow major transit routes. jobs appear to be shifting from the inner to outer core. most jobs are concentrated around the central business district. jobs are distributed roughly in circles. several edge cities contain high numbers of jobs. which of these is not a criticism of the concentric zone model? (3 points) it does not accurately describe cities after the rise of suburban development. it only applies to cities that grew after the development of the automobile. it fails to address the development of cities outside of the united states. it assumes that inner-city areas will always be repurposed instead of abandoned. it places too much importance on the traditional central business district.

Which of the following lists correctly orders the earth's layers from its innermost layer to its outermost layer? a. mantle, inner core, outer core, crust b. crust, inner core, outer core, mantle c. crust, mantle, outer core, inner core d. inner core, outer core, mantle, crust