No they don't if anything they will just get bushier.
When you bleach your eyebrows, they will go bleached blond. Depending on your skin color, once you bleach your eyebrows, they can look bare.
Yes, they may turn grey as you get older.
No, they will keep their shape. Ok, so if you were to pluck your eyebrows in the same style all the time, keeping the same shape, the hair follicles that your continually ripping out will stop growing. So in theory, if you continue to pluck your eyebrows, you won't have to in a few years
eyelashes and eyebrows help keep particles, dust, sweat etc. out of your eyes.
height
"Mom, can I go get my eyebrows threaded? I think it's cool, but will be embarrassed when I look at pictures of myself five years from now ."
Must be eyebrows; 'cause I've gone grey (that which I still have anyway) and my eyelashes are still black.
no they get smaller :)
In male diabetics at the age of 50 years or more greying of the eyebrows seems to be inhibited or delayed. The presence of dark eyebrows with greying scalp hair in males might be a clinical sign for patients at risk of diabetes type II.
not really
bigger
Erosion