A medical specialist who treats diseases and disorders of the eye is a/an ____

An active exercise performed against stable resistance, in which muscles are exercised in a motionless manner, is called:

a. isotonic. c. anaerobic. b. isometric. d. aerobic.

In actual operation, fire stream angles between ___ provide maximum reach

A. 15 to 19 degrees B. 20 to 24 degrees C. 30 to 34 degrees D. 45 to 49 degrees