Answer: The health care worker who takes and records the formation
There are four _______ in planning an exercise program.
Answer: Out of all the options that are presented above the one that completes the statement and makes it true is variables. Therefore: There are four variables in planning an exercise program. Frequency, mode, intensity, and duration.
I hope it helps, Regards.
B
Although D describes some time "Type" of medicines, B would better fit because the question asks how can medicine be described.
-Medical Student (College Level)