Which war has been the most
deadly for americans?
a. world war ii
b. iraq war
c. civil war

Awatershed is a piece of land that drains water into a particular stream, lake, or river. which of the following factors often negatively impacts the water quality in a watershed? a.) wetlands b.) pollution c.) irrigation d.)rainfall

Why are shark population in decline worldwide?

Name the river that forms a natural border between new york and new jersey and is the site where a passenger jet made a miraculous landing on january 15