The answer would be the third option
Answer:
The comparison of an unknown physical quantity with a known standard quantity of a same kinds is called measurement.
Tense muscles or headaches may occur in the short term when exposed to stress.
I think the answer is C. Leg. Leg it has parts of an orienteering course is to between 2 control points, such as between from to start to first control and last control and finish.
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Answer will be bolded.
-Charlie