The ocular lenses of our microscopes in lab provide 10x magnification. if you are viewing cells with the 40x objective lens what would the total magnification be?

400X

Explanation:

Total magnification = power of eyepiece (ocular) ×  power of the objective lenses

= 10X × 40X = 400X

a, c, d, e are all applying about success strategies.

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.