Explanation:
Q2: To use, for example marijuana can help a lot with the body. Why do you think the government banned them? The uses are to modifiy someone or make someone powerful.
Its preserve,prevent and promote.
The ansewer is d. I don't really wanna explain it but I need more letters to post answer :)
True. Because the calorie calculation is based on how exclusively the heart rate is. Which the device runs through the algorithm.
Hope this helps :)