I think this is D hope this helps
Supplying energy for body functions carbohydrates
d. cognitive
"Cognitive development is the construction of thought processes, including remembering, problem solving, and decision-making, from childhood through adolescence to adulthood."
I hope this helps!
Soda is bad for you mainly because its unhealthy. Soda can cause holes in your bones. About 70% kids drink soda.
Being underweight can contribute to a very frail and weakened immune system. It can make one feel tired mentally. And can also affect the bones by making them very brittle and frail sometimes.