Answer:
To improve your singing and your tone, it's a great idea to practice both your head voice and your chest voice, and be able to recognize when each is best to use low and mid-range notes are often more comfortably sung in chest voice, while high notes require the use of your head voice.
Explanation:
In photography studies the main source for creating and Working with light and light to change mood or other dynamics such as artificial light exercise light painting ect other fundamental ideas are used to manipulate lighting in an image....
Red and blue makes purple.
Hope I helped:)