Question

the diet - planning principle that ensures that a diet provides all the nutrients, fiber, and energy in amounts sufficient to maintain health is called ___.
variety
kcalorie control
adequacy
moderation

Explanation:

Adequacy in diet - planning means providing all necessary nutrients, fiber, and energy for health maintenance. Variety refers to eating different types of foods, kcalorie control is about managing calorie - intake, and moderation is about not over - or under - consuming.

Answer:

adequacy