SCSC 301

SCSC 301 Exam 4 Questions With Complete Solutions

SCSC 301 exam #3 Questions With Complete Solutions

an organism that can use CO2or CO3- (i.e., inorganic C) as a C source, and obtain energy from the sun (photo) - or from the oxidation of inorganic elements or compounds such as iron, sulfur, hydrogen, ammonium, and nitrites (chemo)? correct answer: Autotroph such as plants, algae, cyanobacteria, etc. an organism that can only get carbon and energy from organic compounds? correct answer: Heterotroph such as bacteria, fungi, protozoa, etc. an organism that grows only in the presence of mol...

p - plow t - clay g - glade colors o - oxides k - calcium carbonate o_ - indicates organic horizon y - gypsum (calcium sulfate) z - salts h - humis s - sesquioxides (A) epipedon - Mollic, Umbric, Melanic, Ochric (O) epipedon - Histic (E) epipedon - Albic (Bw) epipedon - Cambric (Bt) epipedon - Argillic (Bo) epipedon - Oxic (Bhs) epipedon - Spodic (Bk) epipedon - Calcic (Bkm) epipedon - petrocalcic (By) epipedon - Gypsic (Bym) epipedon -...

SCSC 301 CH. 12 & 13 Questions With Complete Solutions

SCSC 301 - Exam 1 Questions With Complete Solutions

SCSC 301 Final Exam Questions With Complete Solutions

What are the corresponding colors with the associated soils? __1__ colored soils come from organic matter. __2__ colored soils come from iron and aluminum oxides. __3__ colored soils come from silicates and salts. correct answer: 1 --- BLACK 2 --- RED 3 --- WHITE What are the 4 main components of soil and what are their relative proportions to the composition of soil? correct answer: Mineral matter -- 45% Organic matter -- 5 % Soil Water -- 25% Soil Air -- 25% Which 2 ele...

Which of the following is NOT a carbon-containing compound that is involved in the cycling of carbon associated with most plant/animal life forms? correct answer: calcium carbonate Which organic matter property affects the availability of nutrients to plants? correct answer: Cation exchange capacity **Complete degradation of residues (complete oxidation) results in _______ correct answer: CO2 Which of the answers below represents an immobilized form of N? correct answer: protein in ...

A soil has a bulk density of 1.3 g/cm^3, a particle density of 2.6g/cm^3, a total porosity of .5 and a gravimetric water content of 0.2. Calculate the water-filled porosity. correct answer: .26 After a growing season of heavy tillage traffic across a soil, a soil property that is affected is: correct answer: bulk density From a biological point of view, the most important role of structural development in clayey textured soils is to provide an increase in: correct answer: macro porosity...