Male dogs use pheromones in urine to mark their territory.
All animals emit pheromones to mate.
Male dogs use urine to mark their territory the same way as they find mates.
Male dogs use urine to mark their territory the same way as they find what

A) H 2 O
B) humans
C) food
D) shelter
E) a path
F) abcess
G) mates
H) water