Which of the following does NOT help limit the population size of a species? a
Available food
b
Pollution
c
Amount of predators
d
All of these limit the population size of a species.

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:

i think it is true since you can test the answer and can use observations to complete it.