Which kind of lenses are used to correct nearsightedness (the ability to see up close but not far away)? check all that apply

a.) concave

b.) converging

c.) diverging

d.) convex

Concave and Diverging lens are used to correct nearsightedness.

Option A & C

Explanation:

There are two main problems in eyesight which are nearsightedness also known as myopia which is the inability to see the objects that are far away and farsightedness where the person suffers the inability to read without correction to eyesight.  

In this case, objects which are near can be seen properly whereas distant objects are blurred and so the person need correction in eyesight either by glasses or Concave lens and Diverging lens. It is the best suited option for those cases.

the answer is kevlar

i think it's 35 meters