Topics: Extension Methods, Communication, Individual Teaching Methods, mass media methods, mass media theories, communication models, communication barriers, verbal skills, effective communication, strategic communication

Topics: Soil Conservation, Water Conservation, erosion, Soil Erosion and Civilization, Geologic Erosion, Sedimentation, Landscape Development, rock types, Sedimentary Landforms, Mass Movement Deposits, Glacial Landscapes, Water Erosion, erosion damage, Vegetation, Soil Properties, Soil Erodibility, pollution, Water-Erosion Control, Wind Erosion, wind erosion process, Windbreaks, Shelterbelts, Wind-Erosion Control, Predicting Soil Loss, Tolerable Soil Loss, Universal Soil Loss Equation, Computer-Based Soil Loss Prediction Models, Wind-Erosion Prediction Equation, Wind Erosion Prediction System, Soil Map Unit Interpretations, soil survey, Land Use Planning, managing land, cropping systems, Managing Monocultures, crop rotations, Multiple Cropping, Evaluating Cropping Systems, strip cropping, tillage, Conservation Tillage, deep tillage, Contour Cultivation, Emergency Wind-Erosion Control, Gully-Control Structures, road ditches, culverts, Earthen Dams, Streambank Protection, flood control, Wind Erosion-Control Structures, Pastureland Management, Rangeland Management, Forestland Management, water cycle, drought, Soil Drainage, wetlands, Irrigation, Irrigation Methods, Land Reclamation, Conservation Irrigation, soil pollution, pollutants, industrial wastes, agricultural wastes, aerosols, polluted soil, Hazardous Sites, Soil Remediation, Water Quality, water Pollution, Water acidification, Farm Service Agency

Topics: Structure of Modern English, English Sentence, Sentence Connection, Subject-Verb Agreement, coordination, Punctuation, English Verb, tense, aspect, voice mood, modal auxiliaries, Grammatical Models, Traditional Grammar, Structural Grammar, Transformational Generative Grammar, Systemic Grammar, Government Grammar, Binding Grammar, Parallelism, Dangling Modifiers, Structural Parallelism, Conjuncts, Disjuncts, Style Disjuncts, Attitudinal Disjuncts, Compound Subjects, Collective Nouns, Intervening Phrases, Contractions, Indefinite Pronouns

Topics: Acoustic Phonetics, Auditory Phonetics, sound sensations, sound propagation, acoustic filters, voicing, speech acoustic theory, voicing quanta, vocal tract filtering, Pendulums, Standing Waves, Vowel Formants, Digital Signal Processing, continuous signals, discrete signals, Analog-to-Digital Conversion, signal analysis methods, Peripheral Auditory System anatomy, loudness auditory sensation, auditory system frequency response, Auditory Representations, speech perception, Auditory Ability Shapes Speech Perception, Phonetic Knowledge Shapes Speech Perception, Linguistic Knowledge Shapes Speech Perception, speech Perceptual Similarity, speech analysis, vowels, vowel production tube models, vowels Perturbation Theory, vowel formants, acoustic vowel space, Cross-linguistic Vowel Perception, fricatives, turbulence, Fricative Auditory Spectra, fricative perception, vocal tract filter functions, affricates, stops, affricate, bandwidth, nasal stops, laterals, Nasalization, Nasal Consonant Perception