What type of external barrier does this illustration show? a safe area to work out the lack of family support the lack of fitness equipment an injury from working out.

answer; /// the above statement is (false);

light rays enter the eye through the cornea, the clear front first understand how the eye enables us to see, and what role the cornea plays in eye at different angles, and do not focus on one point the retina, but on many we can tolerate very large scars on our bodies with no concern except for our vanity.

what ? ? clarify