Atrain travels 250 km westward from carthage to johnson city. the train arrives 2.5 hours after it left. what was the average velocity of the train between the two stations? a) 2.5 km/h west b) 25 km/h west c) 100 km/h west d) 250km/h west

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.

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