Answer: C because if you eat more then you burn, you gain weight but if you burn more then you eat, you lose weight.
Stopwatch is most useful to monitor heart rate
Answer:
Do you have doubt about it???
Within this question, the listed tests have been put in the order of how
rigorous they are. Whilst a PAR-Q test simply involves the test
participant writing down the answers to a series of question, the other
tests included in the question all need a doctor present in order to be
performed. For example, the most rigorous test, the exercise stress
test, is only ever used when it is suspected that a patient might have a
condition that could be fatal.
I think its like the boss or the person who asigns docters to paitants