The two main federal agencies that deal with food and nutrition issues in the U. S. are the . a. USDA and DHHS b. FDA and USDA c. CDC and FDA d. EPA and FDA e. USDA and CDC

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.