Question

1. what is the function of the cornea? its opening allows light rays to enter the eye. its muscles control its shape to help focus light. its inner surface sends nerve impulses to the brain. its curved surface focuses light.

Explanation:

The cornea is the clear front part of the eye. It has a curved surface. This curved surface helps in focusing light that enters the eye. The opening that allows light rays to enter the eye is the pupil. The muscles that control shape to help focus light are related to the lens. The inner surface that sends nerve impulses to the brain is the retina.

Answer:

Its curved surface focuses light.