Which of the following early urban societies did not always build major cities in river valleys? a. the huang he valley b. mesopotamia c. the indus valley d. mesoamerica

Rainbow trout is non- native to the united states. however this species is breeding with the native gula yltrout acientistrecently observed that the hola trout were becoming exitinct what is the cause of their extinction

When the soviets created the borders of their central asian and caucus republics, the paid little attention to where each region’s ethic group lived. ethnic-related disputes exist along every sherd boundary in central asia. true false

How has the geography of india made it difficult for its people to expand before modern technology?