yes because I've done it before with my mom and my Friend in the car. First i yawned then my mom because i was sitting in the front seat, then my Friend yawned so yes yawning is contagious.
yes Smallpox is very Contageous.
no
no
no
Yawning is not a disease.
if rude and yawning are defined as such i don't see any reason why the act of yawning be rude. yawning is physiologic. would urinating and defecating be rude also?
it is a contageous fungus
Yes
The spelling of the yawning sound is "yawn."
No, they are both adjectives.
Only amoungst the youth
The cause in not know.