Aircraft were originally used for monitoring but
later dropped bombs and had machine guns.
true
false

Match the graph type to its description. 1. uses symbols to describe information pie 2. compares different quantities at the same point in time line 3. compares increases and decreases in a quantity over a period of time bar 4. shows the relationship of parts to each other and to the whole pictograph

People make choices about how to use resources.

Why is the study of demography important to geographers