Collecting crops from fields that either have already been harvested or are not profitable
to harvest is called ____________________.
Of the world’s 7 billion people, ____________________ percent have no land and no
possessions at all.
Severe malnutrition characterized by poor growth, dramatic weight loss, loss of body
fat and muscle, and apathy is called ____________________.
Blood leaving the digestive system goes by way of the ____________________ to the
liver.
In the United States, the largest federal food assistance program is
____________________.
About ____________________ of the energy the average person expends in a day
supports the body’s basal metabolism.
The ropelike structure through which the fetus′s veins and arteries reach the placenta is
called the ____________________.
Why is it important to vary intake of foods within the same food group from day to
day?