Oxygen is the most abundant element by volume in earth's
1 inner core
2 troposphere
3 hydrosphere
4 crust

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.

No because scientist are still changing there mines today so they are not correct to this day