grain

1 - In today's society our most valuable commodity is not grain, steel or even technology; it is information.

2 - In Asian countries, the grain of rice constitutes the major source of carbohydrates, proteins, fats, minerals and vitamins.

3 - Grain dominates the food economy of all nations since it accounts for half the human calorie intake.

4 - Grain dominates the world food economy since it accounts for half of the human calorie intake.

5 - Rice is the only major grain crop that is grown almost exclusively as human food.