The electric circuit shown below is found in many households. S and T are called two-way switches. Each switch can connect the main circuit to Wire X or to Wire Y.
S
la) is the light bulb in the diagram above switched on or off?
(b) Give two settings of S and T to turn the light on.
(c) Suggest one location in a building where this kind of circuit would be useful.​

Ithink your answer is d

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.