Scsc 301 exam 1 - Study guides, Class notes & Summaries

SCSC-301 : Exam 1 ________________________________________ .A common primary silicate mineral which weathers to form secondary silicate minerals in soils is: - ANSWER-hematite .A common primary silicate mineral which weathers to form secondary silicate minerals in soils is: - ANSWER-mica .A major assumption made in applying Stoke's Law to sedimentation of soil particles in a cylinder is: - ANSWER-particles will separate based upon density .A passive soil forming factor is: - AN...

The porosity of the soil with a bulk density of 1.7 g/cm^3 and a particle density of 2.5 g/cm^3 is _____% a. 17 b. 20 c. 25 d. 32 e. 68 - ANSWERd. 32 A soil sample occupies 30 cm^3 and weighs 50 g when wet. When dry the soil occupies 20 cm^3 and weighs 42 g. What is the gravimetric water content of this soil sample? a. 0.16 b. 0.19 c. 0.24 d. 0.50 e. none of the above - ANSWERb. 0.19 Which value most likely represents the particle density of a soil? a. 1.3 b. 1.6 c. 1.9 ...

Plants obtain from soil: correct answer: - Physical support - Air - Water - Temperature regulation - Protection - Nutrient elements (17 essential elements) Root respiration correct answer: - Produce CO2 - Release O2 (ventilation in soil pores) Macronutrients (8) correct answer: - Calcium (Ca) - Magnesium (Mg) - Nitrogen (N) - Potassium (K) - Phosphorous (P) - Carbon (C) - Hydrogen (H) - Oxygen (O) - Sulfur (S) Micronutrients (8) correct answer: - Copper (Cu) - Iron...

TAMU SCSC 301 Final Exam Questions with Complete Solutions After a growing season of heavy tillage traffic across a soil, a soil property that is least affected is: - Answer-Particle density /.From a biological point of view, the most important role of structural development in clayey textured soils is to provide an increase in: - Answer-macro porosity /.The purity of light reflected by a soil is called: - Answer-chroma /.A word used to describe the consistence of a soil is: - Answer...

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