What biomes are best suited for raising crops and grazing livestock?

Question

What biomes are best suited for raising crops and grazing livestock? Use the four principles of sustainability to come up with four guidelines for growing food and grazing livestock in these biomes on a more sustainable basis. Four principles: reliance on solar energy, biodiversity, nutrient recycling, population control.

Answer 1

grasslands-grassland has nearly all been converted to agriculture (or desert)

Answer 2

Raising Crops