Electrons are the smallest of the three particles that make up atoms. Electrons are found in shells or orbitals that surround the nucleus of an atom. Protons and neutrons are found in the nucleus. They group together in the center of the atom.
A. Abrasion
Reason - cause by scraps on rough surface which breaks skin on outer layer.
Metamorphic are formed through change underground sedimentary are formed through sediment
Explanation:
Prolactin is a protein hormone of the anterior pituitary gland that was originally named for its ability to promote lactation in response to the suckling stimulus of hungry young mammals.
Progesterone is a hormone released by the corpus luteum in the ovary. It plays important roles in the menstrual cycle and in maintaining the early stages of pregnancy.
Algae because it is a small organism that the larva state of animals live in and feed on it
