A 120 lb girl stands on one foot. The bottom of her foot has a has an area of 30 in2 . The pressure on the floor (in lb/in2) is

Isuck at math i am no sorry

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.