The answer is B (An app on your smartphone that tracks the nutritional status of foods you eat)
Yes! That is correct, also even MORE peoole die by just breathing smoke from tabacco.
True because why would it not be a good way
<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>
B. is the answer. hope that helps. :)
