What is a system of millions or billions of stars, together with gas and dust held together, by gravitational attraction?

Reading graphs: unemployment us unemployment rate (1961-2011) identify the trends in the graph and then use the drop- down menu to complete each statement from 1961 to 1965 unemployment was in the mid-2000s through 2011. unemployment was percentage unemployed 1961 1971 1981 1991 2001 2011 year

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.