The answer is C for the this question.
Question:
What is eye lens?
Answer:
lens, in anatomy, a nearly transparent biconvex structure suspended behind the iris of the eye, the sole function of which is to focus light rays onto the retina.
Question:
How is its shape and size cchange.
Answer:
The Lens Changes Shape to Focus Near Objects. Light rays from objects that are close to the eye are not parallel.
hope it helps (^^)
# Cary on learning
Answer:
Yes.
Explanation:
In fact, photons are the only things that humans can directly see. Human eyes are specifically designed to detect light. This happens when a photon enters the eye and is absorbed by one of the rod or cone cells that cover the retina on the inner back surface of the eye.
An error is that the scientist did not control their variables. They had one group of people playing the game at 6, and another group playing at 12. This means that other things might have affected the scores other than what was being tested, which was caffeine.
