Answer:
It depends. If cheering up impedes our personal progress, than we should seek to improve first. But cheering up can be helpful at times when depression impedes progress/normal functioning. It is generally healthier to be cheerful than to be gloomy and depressed.
Explanation:
I believe the answer is a.
Answer:
The answer is either C. Vitamins or D. Dextrose
Explanation:
Answer: They can help keep you from getting distracted while you're driving, they can act as a second eye to look for any potential dangers, and they can switch places with you if needed.
hope this helps! :D