A dog, Skipper, is roaming around in his neighborhood. Skipper passes one of his favorite spots and he lifts his leg to urinate on a fire hydrant. Which two body systems interact

etty McGuire is no stranger to dog urine. If you live with a dog, neither are you. I’m guessing your dog pee story is probably one of waiting: Waiting while your dog checks out another dog’s pee, or waiting while your dog leaves a deposit. And who hasn’t experienced the occasional, “Ack! Why did you pee there?!?” followed by a cleaning session. But if you’ve ever gazed at a peeing dog and asked yourself any number of “Why” questions, Betty McGuire is the person for you.

McGuire, a researcher and

the cell cycle is the final answer! : )

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: