Which of the following is a benefit of physical activity? A. Higher blood pressure
O
B. Greater risk of heart attack
C. Higher BMI (body mass index)
D. More restful sleep

D as u get more restful sleep.

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.