You should get most of your calories from the grain factor because it's <span>the body's most efficient source of fuel. They are naturally low in fat and many are high in fiber, especially if made from whole grains.</span>
They all combine and take part in making your overall health better.
Answer: Prevent overcooking of food
Explanation:
The raw vegetables are the sources of multiple vitamins and minerals. On cooking some of the water soluble vitamins are lost. Thus the vegetables must be prevented from overcooking. As the chances of loss of maximum vitamins will be prominent.