The third step in the Decision Making process is to list your pros and cons for each option. A pro and Con is about each option.

A
Something positive and negative

B
Something positive

C
Something negative

D
None of the answers

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation:

"record the time to complete a chemical reaction" would most likely be part of a lab procedure.