A colleague suggests that the use of corn for ethanol production is causing a rise in corn prices and corn shortages that essentially starve children to fuel American cars. A scientist investigates and suggests this relationship is only partly true.
Which of the following best describes what the scientist discovered? A) Most of the money saved by using ethanol is used by charitable organizations that feed the poor.
B) The process of making ethanol also produces antibiotics to help prevent human diseases.
C) Although corn prices have risen, much more corn is being planted, and corn used for ethanol production still yields useful food products.
D) Ethanol production uses part of corn not used to feed either animals or humans.
Question 2
A vegetarian urges the elimination of all animal husbandry throughout the world.
Arguing that the world's population of farm animals contributes to global climate change, diseases, and pollution, the vegetarian suggests that all humans would be healthier if they did not eating meat. Which of the following is the best argument for animal husbandry? A) Pastoralists practice sustainable animal husbandry, an important part of nutrition in parts of the developing world.
B) The production of grains produces even more greenhouse gases.
C) Raising vegetables and other plants for food is more damaging to the environment.
D) The global production of grains would need to increase if everyone relied on plants for food.
Microlith production.
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