Which characteristic of bones is often very different from one individual to another? a. the number of bones
b. the cellular make up of the bones
c. the size of the bones
d. the composition of the bones

ANSWER=b. the cellular make up of the bones

Explanation:

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.