Which statement best describes noncommunicable diseases?
a. they are not infectious.
b. they are caused by parasites.
c. they are not influenced by heredity.
d. they often occur because of poor hygiene.?

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.

out of the choices i'd say d the ability to set goals, mainly because to desire to continue you need motivation but it isn't motivation in that part, but setting goals means you have an endgame and you want to reach it which sums up motivation.