You are presented with the question "What does the substance that male dogs have in urine to mark their territory do?" and the following answer choices: 
- sweating
 - attract females
 - Release energy
 - repels females
 - attract enemies
 - attract males
 - adding heat
 - dangerous

Now knowing that male dogs use pheromones in urine to mark their territory and males produce 'pheromones' to attract females, choose the best answer.


 

  attract females       