How can you explain this graphs? (15 points! )
answer the questions. (15 points! )
30 points in total!

Steady Speed: 0 - 5 seconds Stationary: 5 - 8 seconds  

Fast and Steady Speed: 8 - 12 seconds Stationary: 12 - 14 seconds  

Zero Point: 14 - 20 seconds

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.

friction

explanation:

they us to move forward and backwards