The mass of water displaced by a 20 g block of wood is… A. 10g
B. 20g
C. 5g
D. 40g

correct it is c.) b b

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.