Weathering and soil - Study guides, Class notes & Summaries
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The Phosphorus Cycle Questions and Answers 100% Pass
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The Phosphorus Cycle Questions and 
 
Answers 100% Pass 
 
What is the phosphorus cycle? 
The phosphorus cycle is the biogeochemical process by which phosphorus moves through 
the lithosphere, hydrosphere, and biosphere, involving the weathering of rocks, uptake by plants, 
and movement through the food chain. 
 
Where is most phosphorus found in the environment? 
Most phosphorus is found in rocks and sediments, where it is released through the process of 
weathering. 
 
How does phosphorus ente...
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BCT 445 Final Questions and Answers | New One | Grade A+
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1. 
What are the commonly used soil classification systems in civil engineering? (choose two) 
Ans: AASHTO 
USCS 
2. T/F 
Granular soils are gravel and sand, also called course-grained soils 
Ans: True 
3. 
Which of the following soil types has the finest grain size? 
Ans: Clay 
4. 
What is the opening size for No.4 sieve? 
Ans: 4.75mm 
5. T/F 
Soil particles are the result of weathering of rocks and organic decomposition 
Ans: True 
6. T/F 
The stability of any structure relies on the stabil...
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SCSC 301 Exam 1 Questions And Answers With Complete Solutions
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___________ is comparatively soluble in soil solution and therefore easily weathered. 
 
a. Hematite 
b. Apatite 
c. Feldspar 
d. Mica 
e. Gypsum correct answer: E. Gymsum 
 
Quartz _____. 
 
a. weathers to form clay minerals 
b. is resistant to weathering 
c. is soluble in soil solution 
d. is a phosphorus bearing mineral 
e. is a major component of the clay fraction correct answer: B. is resistant to weathering 
 
A pot of soil that is 30 cm tall and which has been wetted until excess water ...
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AP Environmental Science Exam Review Questions with solutions 2024
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AP Environmental Science Exam Review Questions with solutions 2024 
abiotic 
Pertaining to factors or things that are nonliving. 
 
 
 
acid 
Any compound that releases hydrogen ions when dissolved in water. Also, a water solution that contains a surplus of hydrogen ions. 
 
 
 
A horizon 
a soil horizon; the layer below the O layer is called the A layer. The A layer is formed of weathered rock, with some organic material; often referred to as topsoil. 
 
 
 
alkaline 
a basic substance; chemica...
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AP Environmental Science Exam Review |262 Questions And Answers Already Graded A+
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abiotic - Pertaining to factors or things that are nonliving. 
acid - Any compound that releases hydrogen ions when dissolved in water. Also, a water solution 
that contains a surplus of hydrogen ions. 
A horizon - a soil horizon; the layer below the O layer is called the A layer. The A layer is formed of 
weathered rock, with some organic material; often referred to as topsoil. 
alkaline - a basic substance; chemically, a substance that absorbs hydrogen ions or releases 
hydroxyl ions; in refer...
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SCSC 301 exams 1,2,3,4 Questions With Complete Solutions
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A soil with 25% _____ and 25% ______by volume is close to ideal 
-water; organic matter 
-Air; mineral matter 
-Air; water 
-Mineral matter; organic matter correct answer: Air; water 
 
Soil is a dynamic natural body having properties due to the combined effects of _______ and biota as modified by ________ acting on parent material over time. 
-climate; topography 
-Time; Weather 
-Topography; parent material 
-Biota; climate 
-Weather; topography correct answer: climate; topography 
 
A soil ...
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SCSC 301 Questions and Answers Already Passed
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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...
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Environmental Science - StraighterLine - Exam 3 questions and answers
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Habitat degradation occurs when 
 
a. the quality of habitat is reduced. 
b. habitat is lost and converted to a different form. 
c. habitat is managed to increase the population of a particular species. 
d. people have a negative opinion of nature. 
a. the quality of habitat is reduced. 
 
 
 
Which of the following factors is NOT a characteristic of a species likely to become extinct? 
 
a. low reproductive rate 
b. small population sizes 
c. small habitat area 
d. generalized niche 
d. general...
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AP Environmental Science Exam Review Exam | 415 Questions And Answers Already Graded A+
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abiotic - related to factors or things that are separate and independent from living things; 
nonliving 
acid - any compound that releases hydrogen ions when dissolved in water. Also, a water solution 
that contains a surplus of hydrogen ions 
air mass - enormous bodies of air that move as a unit 
A horizon - a soil horizon; the layer below the O horizon; formed of weathered rock, with some 
organic material; often referred to as topsoil 
alkaline - a basic substance; chemically, a substance tha...
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EESC 101 Midterm 2 || with Accurate Answers 100%.
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soil correct answers composed of minerals, organic matter, air, and water 
 
parent material correct answers geological base material for soil and is determines soil composition 
 
weathering correct answers the break down of rock through chemical, physical, or biological processes 
 
humus correct answers crumbly material from partially decomposed material formed from biological processes 
 
CLORPT correct answers stands for climate, organisms, rest/topography, parent material, time 
 
loam cor...
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