Which two statements about ultraviolet light are true? A. It causes bacterial growth in old water pipes.
B. It is a type of sunlight that gives people sunburns.
C. It makes microbes in drinking water harmless.
D. It harms plants that grow downstream from dams.
E. It increases the growth of dangerous microbes in reservoirs.

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?