(Q).
The pupil automatically gets bigger or smaller to let more or less light in as needed.  Will's pupils grew larger as the night grew darker. This happens to let less or more light in?
(A).
more


(Q).
Breast cancer is rare in teens but becomes more common as females get older.  An older female is more or less likely to acquire breast cancer than a younger female?
(A).
more


(Q).
The density of the atmosphere decreases with an increase in the height above sea level (altitude).  Yolanda moved to Denver where it is 5000 feet above sea level. The atmosphere here is considered dense or thin?
(A).
thin