I would say the best answer is A) to provide help in times of crisis
D) Activity level because the more activity you do, the higher your metabolism which means you lose calories faster which means eventually your consumption of energy a day will increase. Unless you do a lack of exercise in which case you would have a lower consumption of energy without gaining weight when eating.
Answer:
A. True
Explanation:
You WILL gain appreciation for your body if you learn how it works!
Some may have sound to tell you to get up and be proactive. Another one is that it may have a sense vibration. And the last but not lease is that if you wear a watch and look at it a lot you should notice that you have or haven't walked or jogged. <span />