A force of 16 N causes a rock to accelerate at a rate of 5 m/s2. What is the Mass?

if they have a finite resultant

your answer is c! hope this : )

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.