The negro river is the largest blackwater river in the world. "blackwater" refers to the fact that it is a deep river that flows slowly through forested swamps and wetlands, with dark-colored waters as a result of tannins that are leached out of decaying vegetation. what country does this blackwater river flow through? a) ecuador b) brazil c) colombia d) peru e) venezuela

What is the difference between the cultures of central asia and the caucasus region? the majority of people in central asia are muslim; the majority in the caucasus region are christian. the primary language in central asia is armenian; the primary language in the caucasus region is russian. central asia has been plagued by ethnic unrest; the caucasus region has had little ethnic conflict. the effects of soviet rule can still be seen in central asia; the caucasus region has developed its own identity since the fall of the ussr.