Explanation:
caloric needs about 300 calories
Answer:
A. first class lever
Explanation:
the fulcrum is in the middle of the effort and the load.
<span>Alternating between running and walking is important, especially if you're not a professional runner. You should be walking from time to time to recover a bit from the strain that the running put on you, but not too much or your body starts to cool down and then you have to work all over again or you might lose energy.</span>
Cardiovascular system is often compared to a city.