AEST study guide Top Score A.

science of soils and field crops agronomy plant grown for appearance and beauty ornamental management of agricultural resources ag economics science of fruits, vegetables, and ornamentals horticulture The science of animal growth, care, and management. animal science Growing and managing living things in water aquaculture application of mechanical and other engineering principles in agriculture ag engineering grass used for decorative and soil-holding purposes turf Science of insect life entomology commercial firms developed in support of agriculture agribuisness A(n) __________ SAE is for students who want to conduct activities for a profit entrepreneurship A(n) _________ SAE is for students who are placed with a employer in the production unit placement ____________ SAEs are for students who want to observe and experience agriscience areas covered in too little depth in class Exploratory What percent of the air is oxygen 21 the pale yellow element occurring widely in nature is sulfur plants give off oxygen through the process known as photosynthesis Chlorofluorocarbons used in refrigeration units and aerosol propellants Chlorofluorocarbons are a group of compounds consisting of.... chlorine, fluorine, carbon , and hydrogen whats the most abundant element in air