Cengage Advantage Books: Sustaining the Earth 10th Edition by Tyler Miller,Scott Spoolman

تمرين 10

Review the Key Questions and Concepts for the chapter on p. 132. Define food security and food insecurity. What is the root cause of food insecurity? Distinguish between chronic undernutrition ( hunger ) and chronic malnutrition and describe their harmful effects. Describe the effects of diet deficiencies in vitamin A, iron, and iodine. What is overnutrition , and what are its harmful effects?