Answer:
This is called micro tones. They can blend and either sound like cracking on purpose, or a riff.
Answer:
"If your neck is lighter than your face and you don't want your face to be as pale, choose one shade lighter than your face so its comparable. (You can always 'warm up' the face with bronzer if your complexion still appears light.) This way it's not too light or that much warmer than your neck."
Explanation:
Answer:
Try drawing lines from the object to the place of the ground on the opposite of the sun
That's my personally advice
If you want more detailed information you could try watching a few video's or looking at a few examples^^
