GMAT Critical Reasoning (CR) | Re: The importance of the ozone layer to terrestrial animals is

Answer E

A. All wavelengths of sunlight that can cause eye damage are filtered out by the ozone layer where it is intact.

Insufficient information. Might be true, but we are not sure.

B. Few species of animals live on a part of the earth’s surface that is not threatened by holes in the ozone layer.

Again, we dont have much information to support above. Might be true.

C. Some species of animals have eyes that will not suffer any damage when exposed to unfiltered sunlight.

Again, we dont
...

---