During a class experiment, students analyze two diets. One includes a variety of whole foods, and the other...

During a class experiment, students analyze two diets. One includes a variety of whole foods, and the other relies on processed snacks. The first group reports higher focus and energy. What conclusion does this best support?
Balanced, nutrient-dense diets improve overall wellness and energy regulation
Nutrient-dense diets reduce hydration needs
Processed foods always contain more macronutrients
Eliminating entire food groups enhances mental focus