A _______________ is a program that attaches itself to another program and replicates itself. It may do damage to your hardware or destroy your data

All of the following can make a higher pH reading EXCEPT ________

a. urinary tract infection b. diets high in dairy c. diets high in vitamin C d. diets high in protein

Which of the following is NOT a valid reason for defects in color vision?

a. Excessive sleeping b. Inherited c. Acquired through disease d. Acquired through injury