an input work in a machine result in an output work of 400J. if the amount of energy dissipated by friction is 100J, what is the effiency of the machine? A 0.8 B 1.25 C 0.4 D0.6

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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