Answer:
C
Explanation:
It ensures the safety of the subjects morals and also his physical safety.
The independent variable is the age of the students because it’s what affects their ability to be better drivers. The driving-level is dependent on their age. :)
The one responsible of lack of adequate saliva because of
the diminished secretions of salivary glands is caused by the xerostomia. A xerostomia
is symptom in which is caused by a side effect when an individual is undergoing
radiation that causes him or her to have reduced or absent of the flow of
saliva.
