AEST Study Guide - Standard 4 Highest Score A.

What metal revolutionized agriculture? Iron For every dollar spent on food, what percent of that dollar is returned to the producer? Intelligence The ability to learn and know What percentage of an average U.S. worker's pay is used for food? 14 % Agriscience The application of scientific principles and new technologies to agriculture Pests Harmful insects, rodents, and diseases Irrigated lands are generally used for what agricultural practice? Intensive crop production What is an example of a basic science? Chemistry What is an example of an applied science? Animal Science Aquaculture Growing in water Renewable resource Can replace themselves Agribusiness commerical firms in agriculture Chemistry characteristics of elements High Technology electronics and ultra modern equipment Biology basic science of plants and animals Organic food grown without chemical pesticides Environment space and mass around us What is required of a sewage system to be regarded as safe? What is safe water? Apartments on one level in large buildings and owned by the residents What are contaminants of food and water? What is the trend for agricultural development? Who invented the iron plow? John Deere A combine is a combination of a reaper and what? "Yellow jewel" is the name given by the Chinese to what? Beltsville Small White is what? The great advance in the world food production in the 1960s Neighborhood Starvation