Which of the following is an example of a force?

a) push
b) pull
c) inertia
d) both a and b
e) all of the above

D) Both A and B

Explanation:

When an object exerts either a push or a pull on another object, this is known as a force.

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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.