Soil minerals Study guides, Class notes & Summaries

1. Additions: precip, organic matter, nutrients 2. Transformation: organic matter to humus. Primary (unaltered rock) to secondary minerals (chemically altered, original rock not apparent) by chemical change, dissolution and reprecipitation and biological change. 3. Translocation: Eluviation, Illuviation. 4. Losses: erosion: Leaching. - Soil formation process 1. Cation exchange capacity (CEC): the ability of soil colloids to exchange cations between the surface and the soil solution. This ...

Principle Components of Soil -Air 25% -Water 25% ^ (healthy soil composition, those two vary from 50-0% to 0-50%) -minerals ~45% -Organics ~5% (again healthy soil it varies) % are by volume not mass Soil Dynamic natural body having properties due to the combined effects of climate and biota as modified by relief acting on parent material over time. 5 thing that affect soil Active: -climate -biota Passive: -parent material -time Modifying: -relief (topography) Bios...

What is the point of having students brush their teeth every day? To remove plaque from teeth, not to get rid of all bacteria in the mouth How would an art teacher teach students to emulate the work of impressionist artists? Use cotton balls and bright color paint What would a PE teacher do for PK students to help them strengthen their muscles? a. Crabwalk b. Stretching c.Running laps d. Lifting weights If a student saw a picture of a rainforest's animals and asked ho...

Hopkins GEOG 1111 Final (Unit 5) EXAM Questions With 100% Correct Answers soil - answerthe fine material covering the Earth's surface composed of both mineral & organic material; dirt vs. soil - answerdirt is soil without the organic material weathering - answerprovides the raw (parent) materials for soil formation and development The processes by which rocks are chemically altered or physically broken into fragments as a result of exposure to atmospheric agents and the pressures & tempe...

Certified Crop Advisor Exam with AGraded solutions What is not an essential nutrient for plants? - CORRECT ANSWER-Na/sodium Which of the following plant nutrients is a cation in soils? - CORRECT ANSWERpotassium/K+ Which of the following is a macronutrient? Cu, S, Mg, B - CORRECT ANSWER-Sulfur Which element regulates stomatal openings in plants? - CORRECT ANSWERPotassium, K Which nutrient is most immobile in soil? - CORRECT ANSWER-phosphate What is the chemical uptake form of nitrogen? -...

What are the differences between grasses and legumes? advantages and disadvantages of each. Correct Answer-Grasses are mainly a source of Energy and legumes a source of protein. Legumes have a symbiotic relationship with a bacteria which allows it to utilize N from the air and turn it into ammonia. Legumes also improve soil fertility, are high in Ca, Vit a, P and trace minerals. high yield of palatable feed/acre possible. Often there can be a problem with bloat. Grasses have the ability to grow ...

Hopkins GEOG 1111 Final (Unit 5) EXAM Questions With 100% Correct Answers soil - answerthe fine material covering the Earth's surface composed of both mineral & organic material; dirt vs. soil - answerdirt is soil without the organic material weathering - answerprovides the raw (parent) materials for soil formation and development The processes by which rocks are chemically altered or physically broken into fragments as a result of exposure to atmospheric agents and the pressures & tempe...

What is a characteristic of rhizospheres? a. The rhizosphere is where microbes that survive well in extremely acidic conditions reside. - Microbes that survive in extremely acidic conditions are called extremophiles. b. The rhizosphere is where microbes that survive well on humans reside. - Microbes that survive on the human body are part of the human microbiome. c. The rhizosphere is where microbes that survive well in the cold reside. - Microbes that survive well in the cold are psychrop...

Environmental Science Final Exam Broward College EVR 1001 Updated 2024 Version with complete solution What does biodegradable mean? - Answer ️️ -Substance or object capable of being decomposed by bacteria or other living organisms. What is soil? - Answer ️️ -A complex mixture of eroded rock, mineral nutrients, decaying organic matter, water, air, and billions of living organisms What are soil horizons? - Answer ️️ -Horizontal zones that make up a mature soil. Each soil has a d...

WSU Biology 106 exam 2 with Complete Solutions Fungi heterotrophs that feed by absorption Heterotrophs absorb nutrients from outside the body Roles of fungi decomposers, parasites, mutualists (symbiotic and microrizzae), early land colonizers What do fungi use to break complex molecules? Enzymes Chitin made of cellulose, make up the cell walls of fungi Hyphae continuous strands above/below ground, generate spores, colonizes soil Fungi life cycle Mycellum a collective...