Answer: Gene Characteristic. (They are usually made up of more than one gene).
Sugar, sucrose (C12H22O11: a disaccharide, composed of the two monosaccharides: glucose and fructose), is odorless, that is, it lacks odor. When heated a phase change occurs resulting in melting of a thick syrup.
The correct answer I believe is sunlight
5. is b
but im not sure about 4
hope this helps
