On the road you are traveling, the pavement markings change from broken white lines tosolid white lines between the lanes of a traffic. what does the line change mean ?

The change from broken white lines to a solid line on the pavement markings of traffic signifies that overtaking from any side is not allowed or prohibited. The broken line signifies that you can overtake when safe.

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.