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1. To help feed the world’s hungry, the MOST sustainable solution is:

integrating more land into food production in China & India.

2. Which describes current farming?

more total meat produced, but using more grain.

3. Factors contributing to world hunger include:

individuals suffer from poor diets even as food production rises.

4. Vegetarian diets contribute more to sustainability because:

recommending more agricultural land for meat is unsustainable.

5. Major cause for decline in worldwide fish harvest:

rising demand for fish.

6. Which is a consequence of overnutrition?

pollution.

7. Which explains rising water level in terminal lakes?

terminal lakes rise because water does not drain anywhere.

8. Which reduces pesticide residues on edible portions?

apply fungicides/pesticides to roots so edible portions remain uncontaminated.

8. No-till agriculture is an agricultural practice that…

promotes polyculture, including cattle grazing, to naturally fertilize fields.

9. Major systems of erosion include all of the following EXCEPT:

increased topsoil erosion by wind.

10. When sheet water flows downhill and removes topsoil uniformly, this is called:

sheet erosion.

11. Rachel Carson’s contributions to the environmental movement included which of the following?

brought awareness of the risks of using pesticides.

12. Your farmer friend grows three crops together in alternating rows. You are practicing:

intercropping.

13. An agricultural style that prevents erosion by water on flat land or gentle slopes is:

contour plowing.

14. The process least likely to conserve soil nutrients:

fertilizing with animal manure.

15. In order to switch to sustainable agriculture, which practice is NOT favorable?

inorganic fertilizer overuse.

16. Local extension agent suggests planting alfalfa next season. What are you doing?

no-till work on corn next season.

17. Alternating rows of fast-growing vegetables with apple trees is an example of:

intercropping.

18. If corn feed supports 20 humans/year, how many when humans eat corn directly?

25 humans.

19. Advantage of feedlots:

creates a higher yield.

20. Integrated Pest Management (IPM) approach includes:

using a variety of technique