"suppose that in the united states, producing an aircraft takes 10,000 hours of labor and producing a shirt takes 2 hours of labor. in china, producing an aircraft takes 40,000 hours of labor and producing a shirt takes 4 hours of labor. what will these nations trade? "

In some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. the production of sterile male ligers is an example of read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. the production of sterile male ligers is an example of a postzygotic barrier the founder effect sympatric speciation a prezygotic barrier

The ideas of hammond are most clearly an example of which of the following mid-19th century developments? (5 points) the increasingly liberal nature of slavery after the south enforced stronger slave codes the growing use by northern antislavery activists of moral arguments the increasing number of freed slaves in southern states as a result of gradual emancipation laws the growing tendency of southern slaveholders to use the paternal ethos to justify slavery

Base your answer for this question on the statement below and on your knowledge of social studies.my fellow citizens, events in iraq have now reached the final days of decision. for more than a decade, the united states and other nations have pursued patient and honorable efforts to disarm the iraqi regime without war. that regime pledged to reveal and destroy all its weapons of mass destruction as a condition for ending the persian gulf war in 1991.…— president george w. bush, march 17, 200344 which action did president george w. bush take following this statement?