what does an odometer measure?
time distance visibility backbones male gametes antigens speed calibrated
A B C D E F G H
Odometers and speedometers measure distance and speed.
an odometer is used to measures distances 
what does an odometer measure? (A) time (B) distance (C) visibility (D) backbones (E) male gametes (F) antigens (G) speed (H) calibrated