Male dogs use pheromones in urine to mark their territory, and during Urination Dog's urine is used as a scent marker for other dogs. Given these facts, how do male dogs mark their territory among the following options:
- Chemical energy
 - Hot dog eating contest
 - Adequate signage
 - with their fur
 - Scent marker
 - heat produced
 - mate with females
 - Paint


 

     Scent marker    