Answer: C) Proteins
Explanation: Protein provides 4 calories for every 1 gram consumed as does carbohydrates, while fat provides 9 calories for every 1 gram consumed. The body can rapidly metabolize carbohydrates, making this macronutrient the favored energy source for your body. In contrast, the vital macronutrient protein breaks down your body's cells and rebuilds them.
Answer:
Washing hands
Explanation:
Washing your hands with soap and water, thoroughly and frequently.
The answer is...
B) To ensure that you are constantly engaging your body in a way that improves its function
I would say hair, since puberty is when young teens start shaving their armpit and leg hair.