Yes, if it is made of the same material.
1920's is when American women started piercing their ears.
Ears really don't have dangerous veins. You should be fine piercing anywhere on your ears.
Nothing there is no such piercing.
tapers
like when they were born
Ears
Usually it depends on the piercing, but if its your ears you should be fine but just try not to touch it alot. If its not your ears you can shower but be careful not to get it caught on anything or move it alot.
To wear earrings.
Ever since they wanted to
Symmetry and decoration.
No they only pierce ears