When Walking Your Male Dog, You Notice That He Urinates

Multiple Choice

When walking your male dog, you notice that he urinates on every vertical object in his path. His urine is used to ʺmarkʺ his territory and serves as a chemical signal to other dogs. What does the urine contain?

A) Pheromones
B) Hormones
C) Releasers
D) Apomones