indicating whether you would classify the statement as common knowledge or requiring a citation.

1.The APA reference style is mainly used in social sciences, business and nursing.

2.Researchers have found that dispersants utilized to clean up oil spills can lead to lung damage when airborne particles of these dispersants combine with crude oil and are inhaled.

3.The Amazon is the world's largest tropicalrain forest.

4.The teen pregnancy rate in the United States fell 8% from 1995 to 1997.

5.Many literary critics believe that the novelist Virginia Woolf drew extensively from her own experiences for the central character in her novel Mrs. Dalloway.

6.Plato spent most of his life in Athens.

7.A recent study done by scholars at the Brookings Institute found that the number of people living in poverty in America grew by 12.3 million between 2000 and 2010, so that by the end of 2010, 15% of the population was living under the poverty line.

8.The Chinese fishing industry produces nearly one-million tons of fish annually.

9.Some civilizations have viewed birds as connections between heaven and earth.

10.According to some, dreams express "profound aspects of personality", though others disagree.