(A) Use the graph to find the distance David ran in the first 4 s. Distance in the first 4 s =​

45 is the answer to this question

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.