You are presented with the quiz "How do male dogs mark their territory?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "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". So, what's the best answer to the question?
Pick from: (1). Chemical energy (2). Hot dog eating contest (3). Adequate signage (4). with their fur (5). Scent marker (6). heat produced (7). mate with females (8). Paint
(5).