Because of friction a) energy is not always conserved. b) not all potential energy is converted to kinetic energy. c) all of an object's kinetic energy turns into potential energy. eliminate d) all of an object's potential energy turns into kinetic energy.

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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