[Solved] ____ is a synthetic auxin that stimulates root development on stem cuttings and is used extensively in asexual propagation. A) Indoleacetic acid B) Indolebutyric acid C) Naphthalene acetic acid D) 2,4-D E) 2,4,5-T Music Training: The education and practice of skills related to performing, understanding, and creating music. Amateur Stargazing: The hobby of observing celestial bodies, such as stars, planets, and moons, usually with the naked eye or with telescopes, without professional equipment or expertise. Astronomy: The scientific study of celestial objects, space, and the universe as a whole. Telescope: An optical instrument designed for the observation of remote objects by collecting electromagnetic radiation.