The answer is humor! It’s been shown it helps with all of those mentioned benefits :)
B the artist used symbols that reflect religious beliefs
For example on number 1 the time signature is 4/4 , that means there has to be 4 beats in between each bar line. They have already put in a half note which is equal to 2 beats. You can either put another half note or two quarter notes.
Remember
Whole Note = 4 beats
Quarter Note = 1 beat
Half Note = 2 beats
Dotted Half Note = 3 beats
Answer:
As early as 7000 BCE, during the Neolithic Age, people of Jericho refashioned PLASTERED SKULL.