By running 200 m in 21.34 seconds, what is your average speed?

c because the news are a source of information of things that happen on the daily and shows evidence about that particular topic

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.

i'm on my way to history not a mistory.