what is This supposed to be
The correct answer should be carbohydrates.
Carbohydrates are the main source of energy and without them the cells would have no energy at all, which is why they would start working based on reserves of fat, and if you didn't have that you would die of malnutrition.
B) stop using gas powered vehicles and use mountain bikes
Answer:
https://childdevelopmentinfo.com/child-health-news/5-ways-to-get-your-teen-to-stop-drinking-energy-drinks/#gs.28b1j4
Explanation:
This link will give you lots of ideas and discuss them further.
It could be hard on their legs, could give them a heat attack, there are so many risks. Either way, diabetics would need to take the change very slowly