01:: Which of the following phrases best defines the word software?
A, an object that orbits the Earth
B. a set of radio waves that are used to determine distance
C. an image that is taken from the air
D. a program on a computer
Please select the best answer from the choices provided

The graph shows the number of employed workers in the united states in nonfarm jobs from 2008 to 2013. the best conclusion that can be drawn from the graph is that the number of nonfarm jobs remained consistent over time. started going down in 2008. went up every year since 2008. started going down in 2010.