Two electronic oscillators are making some sine waves, at frequencies f1 = 882 hz and f2 = 880 hz. at a certain point, the sound level from one alone would be sil 1 = 76 db, and from the other sil 2 = 82 db. how often do beats occur

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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.