Infants learn to roll over before they learn to crawl. This is an illustration of: Group of answer choices
1. anencephalic development.
2. psychodynamic development.
3. proximodistal development.
4. distoproximal development.

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?

Which graph shows the temporary relationship between the aggregate price level and the aggregate quantity supplied? a. long-run aggregate supply curve b. aggregate demand curve c. short-run aggregate supply curve d. point of equilibrium

Samantha is looking for a boyfriend. based on the gender differences explained in this activity, which is she likely to prefer?