What can you determine by looking at the data on
the chart?
skin cancer rates remained the same for four
years, increasing slightly in 2009.
skin cancer rates decreased over the four-
year period, decreasing more rapidly in 2009.
skin cancer rates continued to increase
gradually over the four-year period,
decreasing slightly in 2009.

3. draw a topographic map that displays the following features: (4 points each) a. the contour interval is 20 meters. b. the point of lowest elevation is 960 meters. c. the point of highest elevation is 990meters. d. there is at least one sinkhole or depression, at any elevation. e. there is at least one steep slope and one gentle slope.