Question

the federal bureau of investigation is considering a new identification method. instead of using old - fashioned fingerprints, they have decided to scan the eyes ______ to confirm peoples identity. lens cornea retina iris

Explanation:

Iris - scanning is a common biometric identification method. The iris has unique patterns that can be used for identity - confirmation. The lens is mainly for focusing light, the cornea is the front - part of the eye that helps with light refraction, and the retina is for receiving light and sending signals to the brain, but the iris is the most used for identification.

Answer:

D. iris