Why is it impossible for ships to sail from Africa's interior to the sea? A. Tributaries interrupt the river's flow. B. Mountains interrupt the river's flow. C. Waterfalls or rapids interrupt the river's flow. D. Rift Valley interrupt the river's flow.

In a small, closed economy, national income (gdp) is $350 million for the current year. individuals have spent $100 million on the consumption of goods and services. they have paid a total of $60 million in taxes and the government has spent $75 million on goods and services this year. use this information and the national income identity to answer the questions. how much does the economy spend on investment?

What is the difference between a mixed and market economy

The first thing that baby ducks usually see after hatching is their mother. they then follow their mother everywhere: into the pond, around the farm, and eventually through the air. this type of behavior is called