Many african americans migrated to the northeast from the south after hurricane katrina the decline in oil prices in the 1980s the civil war the cuban revolution

How do mountains influence climate?

What is the amount of organic matter in all living organisms in a habitat called?

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