A car is moveing 21 kilometers per hour (km/hr)while traveling in circle. Why is the velocity of the car changeing ?What variable does 21 kilometers per hour represents?

answer and explanation;

composition refers to both the types of minerals within a rock and the overall chemical makeup of the rock while texture refers to the size and arrangement of the minerals or grains that make up a rock. both composition and texture can be used to classify rocks, such as igneous rocks. texture describes how the rock became solid or crystallized from liquid, melted rock. composition of a rock describes the minerals that make up a particular rock.

Awoodchuck would chuck all the wood he could chuck if a woodchuck could chuck wood.