What was the social structure in each of the civilizations?

When and why were fingerprints first used in the united states

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?

Explain how the poverty level is determined. on edinuity* the possible answer may the poverty level is defined by the u. s. bureau of the census and it is determined by calculating the cost of providing an adequate diet. this number is then multiplied by three because research has indicated that poor people spend a third of their income on food.