Calculate the average speed of a car stuck in
traffic that drives 15 km in 3 hours?

5km/h

Explanation:

Speed= distance/time

Speed=15/3

speed=5Km/h

im not to sure what it is

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.