Soil horizons - Study guides, Class notes & Summaries

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

2 examples of changes in global N cycle caused by humans + why problematic - 1. Runoff from agricultural areas causes dead zones - EX: parts of the ocean with no oxygen so nothing can live in it 2. Acid rain due to emissions from power plants—affects soils negatively 3 major forest formations (tree type, precipitation, temperature, and water balance) - 1. Tropical and subtropical rainforest - Evergreen trees - Positive water balance - High annual rainfall and temperatures (because they...

_______ and ________ soil textural classes are always unsuitable for standard absorptive OSSF - Answer-class IA and IV List each of the major soil horizons - Answer-surface soil A, surface soil B, and parent material _____________ is a term describing the ability of water to migrate through a soil profile under either _________ or __________ conditions. - Answer-Hydraulic conductivity, saturated, unsaturated Interconnected pores in the soil profile allow ______ and _______ to enter the soil...

LUOA Earth Science 3rd Quarter Test (2023/2024) Rated A+ One of the benefits to conventional oil is _______________. it has a high net energy yield Some of the problems with coal include: (choose 2) It has high CO2 emissions when it is burned. It is a severe threat to human health. A passive method of using solar energy would be _____________________ opening the window to let sunlight come in What is the main leading source of renewable energy? Hydropower All of the following are benefits to...

SCSC 301 Questions and Answers Already Passed Which horizon is not part of the soil solum? C Organic matter in soil typically accounts for ____% or less of the soils total volume. 5% Pore space in soil may contain either _____ or _____ Air Water Soils are the result of ______ and biota acting on parent material over time as modified by ______ Climate Topography Though plants depend on soil for growth, which of the items below is found in soil, but not required for plant growth? Carbon dioxid...

Horizons layers of soil that make up the soil profile Biological yield the amount of dry matter produced per unit area economic yield The amount of the part of the plant of usable marketable value is called the biomass the quantity of live organic matter in a given area at a given point in time is called the Harvest index the portion of the crop that is of economic importance roots plants uptake water through the hydroponics a technique of growing plants (without soil) in wat...

Soil Mass correct answers a three-phase system that consists of solid particles, liquid, and gas. Geotechnical Engineering correct answers It is a technical specialty that deals with soil and rock as supporting materials for structures. Geotechnical Engineering correct answers It deals with the various foundation types that work between the structure and the ground. Geotechnical Engineering correct answers It deals with the soil or rock slopes whose failure may cause loss of human lives...

1 CRSS/ FANR 3060 EXAM 1 | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ soil Correct Answer: -layer(s) of generally loose mineral and/or organic material -affected by physical, chemical, & biological processes -usually hold liquids, gases and biota and support plants -non-renewable resource soil functions Correct Answer: anchorage for plants storage and recycling of nutrients regulate water supply habitat for many organisms engineering medium 2 transformations C...

OSSF DR TEST PRACTICE QUESTIONS WITH 100% CORRECT ANSWERS _______ and ________ soil textural classes are always unsuitable for standard absorptive OSSF - Correct Answer ️️ -class IA and IV List each of the major soil horizons - Correct Answer ️️ -surface soil A, surface soil B, and parent material _____________ is a term describing the ability of water to migrate through a soil profile under either _________ or __________ conditions. - Correct Answer ️️ -Hydraulic conductivit...

TAMU SCSC 301 Final Exam Review Exam with Questions and Answers The transformation of a primary mineral to a secondary mineral could occur through which weathering process? ANSWER Acid Dissolution Fine-textured soils require aggregation to become more suitable for plant growth because it ________. ANSWER Increases macroporosity, allowing a better mix of air and water Which soil property is not affect by land management practices (i.e., it is an inherent property of the soil)? ANSWER Soi...