Which one will not be a career and life science botanist, zoologist, geneticist and mechanic

it depends on what u choose or what u love doing in biology but i wouod choose mechanic

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:

where are the choice options?