What purpose do nails provide? A. Protection of the fingers and toes. B. maintaining warmth c. Sensing the environment

A protection

Explanation:

The main function of toenails is likely for protection, compared to enhancing grip or the fine motor functions the fingernails have. The tops of the toes are vulnerable to injury and, as we’ve all learned the hard way, stubbing. By having a protective nail on top of the toe, the toes are less vulnerable to injury and infections

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: