The legal reference for official time is called: 8) if it is today east of the international date line, what is it west of the international date line? a) tomorrow b) yesterday c) today 9) the ratio of the map to the real world is called: 10) name 3 classes of map projections: 11) what is one problem noted with a mercator projection? 12) there is a lot of concern about the impact of people on the environment. which branch of geography looks at the long term availability of resources in order to continue ongoing activities? 13) what is the albedo of the earth, and what does albedo mean?