Which factor has added to the average life expectancy? A. Clean water supplies
B. Improved vaccinations
C. Greater availability of health care
D. All of the above

Where do most people in arabia and iraq live? a. in the fertile crescent b. in the rub, al-khali c. in cities d. in and around mecca

China wants to take control over social media in which other region? question 4 options: taiwan chile japan hong kong

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?