What technology is involved with ultrasound technologist?

Ultrasound, also referred to as sonography, is a non-invasive technique used to capture internal images of the body, be it blood vessels, muscles, organs and other soft tissues. Ultrasounds may be performed to monitor the progress of a growing fetus inside a mother’s uterus, to detect abnormalities or signs of disease or even to visually assist with surgeries and biopsies

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.