Quiz of the day (34)

I enjoy answering quiz questions. If you are like me, here is a random quiz question of the day in general knowledge for you to answer or else check back tomorrow for the answer.  

We measure distances while traveling to different places. In what branch of science would a unit of distance called a "Parsec" be used?

a) Meterology

b) Proxemics

c) Petrology

d) Astronomy 

Quiz of the day (33) Answer: bamboo (fastest growing plant on earth-100cms in one day)