As adolescents develop, their self-conceptions become more:

Most adolescents know that smoking is harmful to their health. Why might they take up smoking in spite of this knowledge?

They are guilty of the sunk cost fallacy. Logic does not always "feel right." They want to rebel against their parents. It will gain them acceptance into a peer group.

This is the tough, transparent, protective layer covering the front of the eye

a) lens b) iris c) fovea d) cornea