Nutrient dense foods are better than foods that are less nutritious because

Because it gives you concentrated amount of valuable nutrients such as vitamins, minerals, fiber, essential fatty acids and phytonutrients, to name a few.
hope this helps!!

Well, l think that some effective communication is, emotional barriers and lack of attention, interest distraction or irrelevance. also some physical disabilities such as hearing problems or speech difficulties.      l hope i am correct  and you good luck.