Life span, the period of time between the birth and death of an organism.
Answer:
were you temporarily a phsyco to make this game
Explanation:
Leadership, without a person to go give commands people won't know what it is their supposed to do.
Answer: a color wheel is a representation of colors that are arranged by their chromatic relationship, you can use color wheels in different ways one being that you can use it help show you complementary colors, or help you choose what colors you want to use on your art.