Question

How many species of food crops derives 85% of world's food?

Answer 1

Answer:

Of more than 50 000 edible plant species in the world, only a few hundred contribute significantly to food supplies. Just 15 crop plants provide 90 percent of the world's food energy intake, with three rice, maize and wheat - making up two-thirds of this. These three are the staples of over 4 000 million people.

Explanation:

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