After the ground water is the local community was contaminated by a landfill, the health department requested a map showing the cancer rate for each postal code. An ArcGlS user Is provided a file geodatabase feature class (FeatureClassA) that has been joined to a cancer rate table (TableB). The cancer rate table does not have data for each postal code In the study and also contains data outside the study area creating null values. To eliminate the null values from being symbolized.
Which exclusion query should be used?
The ArcGIS user is given data for the Arctic and is asked to perform various types of analysis using the data. The data extends from the North Pole south to 70 degrees North Latitude Data layers may contain points lines, or polygons, and include ice surveys from NOAA depth contours: continental margins, locations of known and suspected oil reserves, endangered species habitat, and territorial boundaries for nations having Arctic coastline.
Which map projection should be used for the data to allow the most accurate buffering of those areas, in order to comply with the U.S court decision that ships may not approach closer than 20 nautical miles to a seal rookery?
An ArcGIS user creates a map showing the level of human Impact on the natural landscape. Major habitat types are shown with unique colors, and the level of disturbance for each habitat Is shown with a graduated symbol.
What is this type of map symbology?