Why would wearing several layers of clothing keep you warmer than wearing one heavy coat?

Two thin layers can be warmer yet lighter than one thick layer, because the air trapped between layers serves as thermal insulation.

Two thin layers can be warmer yet lighter than one thick layer, because the air trapped between layers serves as thermal insulation.

Because then its multiple layers then just one big layer it would actually be equal

Because then its multiple layers then just one big layer it would actually be equal

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.