What is the concentration of the 60L solution with 15g of solute? O A. 0.4 g/L
O B. 25 g/L
OC. 0.25 g/L
OD. 4 g/L

f is prop to m1xm2 double m1 double force

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.