Doc Brown is prepping the DeLorean for time travel. (You have seen Back to the Future, I hope!) In order to time travel, the Delorean must hit
88mph, or 39.34 m/s. The DeLorean can achieve an acceleration of 9.0
m/s^2. What is the minimum open space needed for the DeLorean to
successfully initiate time travel? *

uranium fissions/breaks up giving out energy and neutrons

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.