Calculate the initial rate of the reaction when the initial concentration of x and y are 0.40 mol dm^-3 and 0.60 mol dm^-3 respectively

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.

It is d, all the other ones say incorrect answer .