Salvador should eat foods from all five of the food groups. Depending on his age, feed him the required amount of servings. Limit Sweets and candy, but don't cut them out completely. Hope this helps!
Answer:
Principles
Explanation:
"Specificity and progression" are two principles related to maintaining physical health. Therefore we can say that the word "principles" is the most suitable to replace the word "thing".
Also, "Specificity and progression" are neither exercises nor muscles. Nor are they acronyms, since an acronym is the word formed by joining letters or initial syllables of a group of words, pronounced as one word.
I think the anwser is letter b
C. What is good for the environment is good for our health
