It's none of your business to know about my health. Period sis
“Scientific models are often used in laboratories to represent Earth's processes. While field tests and observations are vital, physical, digital, and mathematical models are useful tools in the laboratory. Models provide insight into complex processes that might otherwise be difficult to grasp”
Epidermis; the blood vessels contract. Epidermis; the blood vessels dilate. Dermis; the blood vessels dilate. Dermis; the blood vessels contract. i think it D
