What is a possible risk from darkroom chemicals?
a. burns
b. lung problems
c. cancer
d. all of the above

The district of columbia could be eliminated completely if a majority of congress voted in favor of the action. a. true b. false

Which of the following factors is not used to measure a country’s standard of living? a.) life expectancy b.)educational levels c.)divorce rates d.) gross income

Read the article titled "trans-saharan migration routes to north africa and the eu: historical roots and current trends." why do tens of thousands of sub-saharan africans try to cross the mediterranean each year? how are these refugees commonly portrayed? (site 1)