2. A map dedicated to showing the distribution of a pattern or distribution of a single variable is a:
( 17.1-3)
thematic map
topographic map
general purpose map
dasymetric map
choropleth map
( 17.1-3)
3. Zero, one, and two data dimensions on a thematic map correspond to:
legends, neat lines and text
nominal, ordinal, interval and ratio
highways, railroads and survey lines
points, lines and area features
isolines, hill shading and contours

How do oceanographers measure the salinity of ocean water?

What is the general rule about surface currents? cold water flows along the ocean floor towards the equator. the east coasts of continents have cold surface currents, and the west coasts of continents have warm surface currents. seasonal and constant offshore winds create significant upwelling along the west coasts of south and north america and africa. the west coasts of continents have cold surface currents, and the east coasts of continents have warm surface currents.

Based on the information in the graph, what can you conclude about humans in the world in general?