If the efficiency of an electric furnace is 96%, then 96% of the input energy is transformed into thermal energy. what is the other 4% of the electricity transformed into?

It is wasted, most likely as light, in this case, or it is lost during the transport of electricity.

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.