In the attachment at the density column where there is colour why is red at the bottom if it is the least dense.

that will be 4.5

Explanation:

s        h      e        e       t

Explanation:

the answer would be a

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.