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10 questions from this quiz
Italy, Poland, Russia, Japan, South Korea
Climate, Water, Soil, Topography
Sufficient, Safe, Nutritious
Build-up of salts in soil to toxic levels
North America at 3,700-3,800 kcal/day
Affects the number of harvests per year
The relief and drainage of an area
Exaggerated environmental claims
Ratio of outputs to inputs
All regions showed gradual upward trends
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