Do ultraviolet glasses help you?

To really help protect your eyes, a good pair of ultraviolet glasses will reduce the UV rays that reflect off the backside of your lenses by adding an antireflective (AR) coating that cut down the reflection of both UV and visible light.

Explanation:

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.

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.