A pie graph would represent the composition of air nicely.
a circle graph
its either a or d line plot or oduble bar graph
It is a bar chart.
A pie chart or a graph.
The best graph in my opinion would be a line graph . Line graphs are used in most buisness graphs .
histogram; bar graph
line graph
A line graph.
yes it can
A pie chart, bar graph, pictograph are some possibilities.
Graph
Any type of graph, really.