Describe the patterns in grain trade between different world regions over the last 70 years. How does the food crisis of 2006–2008 and food shortages of 2010–2011 relate to these patterns?
What will be an ideal response?
Over the past 70 years countries have shifted from being self-sustaining in food production toward trading foodstuffs with each other. "A number of factors conspired to create the situation where supply was unable to keep up with demand: (1) higher production costs due to the rising cost of petroleum and fertilizer, (2) as we have seen already, the diversion of corn and other commodities to the production of biofuels, (3) a strong demand for higher-quality diets in the emerging economies of Asia, (4) weather-related shortfalls of harvests in key exporting countries, and (5) a background of declining carryover stocks of many commodities."
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What evidence of wave erosion is visible along the shore of Drakes Bay between Drakes Beach and Point Reyes?
The question is based on Map T-15, the “Point Reyes, California” quadrangle (scale 1:62,500; contour interval 80 feet) showing Point Reyes and Drakes Bay in Point Reyes National Seashore (38°01'38"N, 122°57'51"W). What will be an ideal response?
Balance the following chemical equation. ____ N2 + ____ H2 ? ____ NH3
A) 1, 3, 2 B) 1, 2, 3 C) 3, 2, 1 D) 2, 6, 4 E) 1/2, 3/2, 1
Why would a small amount of iron drastically change the color of quartz? (2.2)
What will be an ideal response?
Absolute instability results when the environmental lapse rate is ____ the ____ adiabatic rate
a. greater than; moist b. less than; moist c. the same as; dry d. greater than; dry e. less than; dry