Soil composition Study guides, Class notes & Summaries
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![WGU Academy US History 1 Final Exam with 100% Correct Answers 2023](/docpics/63fc884ab473b_2415530.jpg)
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WGU Academy US History 1 Final Exam with 100% Correct Answers 2023
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Which sentence best describes pre-Columbian societies of the Southwest? - Correct 
answer-They built irrigation systems and constructed towns 
Who were the first inhabitants of the American continent? - Correct answer-Migrants 
who crossed over from Asia 
Why did the Colonial government in Massachusetts vote to deport Roger Williams? - 
Correct answer-He preached separation from the Church of England 
What prompted the influx of African slaves to the Southern Colonies and the Caribbean 
in 1619?...
![Oregon Pesticide Laws and Safety](/docpics/642483be2dbac_2531168.jpg)
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Oregon Pesticide Laws and Safety
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Pesticides - Answer- include herbicides, insecticides, 
fungicides, rodenticides, and many other 
substances used to kill, harm, or repel pests. 
 
General Use Pesticides - Answer- may be bought over the counter without a pesticide license. 
 
Restricted Use Pesticides (RUPs) - Answer- are a category of products that pose a higher risk to people, animals, or the environment. They can only be purchased by a person with a pesticide license; use requires supervision by a licensed applicator. 
 
Pes...
![SCSC 301 TAMU Test 1 (Soil Science Test 1 Notes Set) Questions With Complete Solutions](/docpics/3500690/6511e577225d2_3500690_121_171.jpeg)
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SCSC 301 TAMU Test 1 (Soil Science Test 1 Notes Set) Questions With Complete Solutions
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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...
![WGU Academy US History Midterm Exam 100% Correct](/docpics/642ec43da7255_2561242.jpg)
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WGU Academy US History Midterm Exam 100% Correct
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What economic trend transformed the South in the mid-nineteenth century? - ANSWER The South experienced a dramatic rise in cotton production 
 
Before the Civil War, what campaign was intended to keep slavery out of new territories? - ANSWER Free-Soil Movement 
 
Which significant political shift characterized Andrew Jackson's presidency? - ANSWER more people involved in the political process 
 
What antebellum philosophy in America sparked the creation of new reform institutions? - ANSWER the ...
![SCSC 301 EXAM 1 QUESTIONS WITH COMPLETE SOLUTIONS](/docpics/3495097/6510f59cd8333_3495097_121_171.jpeg)
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SCSC 301 EXAM 1 QUESTIONS WITH COMPLETE SOLUTIONS
- Exam (elaborations) • 41 pages • 2023
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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...
![SCSC 301 Exam I TAMU Dr. Feagley Questions With Complete Solutions](/docpics/3492510/65100fee46f84_3492510_121_171.jpeg)
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SCSC 301 Exam I TAMU Dr. Feagley Questions With Complete Solutions
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_____is comparatively soluble in soil solution and therefore easily weathered. 
 
-Hematite 
-Apatite 
-Feldspar 
-Mica 
-Gypsum correct answer: Gypsum 
 
Quartz __________ 
 
-weathers to form clay minerals 
-is resistant to weathering 
-is soluble in soil solution 
-is a phosphorus bearing mineral 
-is a major component of the clay fraction correct answer: is resistant to weathering 
 
A pot of soil that is 30 cm tall and which has been wetted until excess water drips from the bottom wi...
![Biology Praxis 5236 Questions and Answers Already Passed](/docpics/5162537/663248d0e166a_5162537_121_171.jpeg)
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Biology Praxis 5236 Questions and Answers Already Passed
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Biology Praxis 5236 Questions and 
 
Answers Already Passed 
 
Which of the following terms indicates the ecological role that an organism plays in a 
community? Niche 
 
Which of the following characteristics distinguishes members of the domain Eukarya from 
members of the domains Archaea and Bacteria? The presence of a nuclear envelope 
 
Valine is typically classified as a hydrophobic amino acid because a valine molecule has which 
of the following types of side chains? Nonpolar 
 
A teacher ...
![SCSC 301 Exam 1 Questions And Answers With Complete Solutions](/docpics/3500657/6511e4be1442f_3500657_121_171.jpeg)
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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 ...
![REHS 2023/ 2024 Exam| Questions and Verified Answers| 100% Correct |Grade A (Latest Update)](/docpics/3542207/651acc1a158e6_3542207_121_171.jpeg)
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REHS 2023/ 2024 Exam| Questions and Verified Answers| 100% Correct |Grade A (Latest Update)
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REHS 2023/ 2024 Exam| Questions and Verified Answers| 100% Correct |Grade A (Latest Update) 
 
Q: To prepare a solution of 100 mg per liter available chlorine, _____ of 5.25% bleach with one gallon of water should be used. 
 
a. 0.5 oz 
b. 1.0 oz 
c. 0.33 oz 
d. 0.25 oz 
 
 
Answer: 
0.25 oz 
 
 
 
Q: The detention time for waste water in a septic tank is recommended to be 
 
a. 6 to 12 hours 
b. 24 to 72 hours 
c. 1 week 
d. none of the above 
 
 
Answer: 
24 to 72 hours 
 
 
 
Q: One of the m...
![Environmental Science Final Exam Broward College EVR 1001 Updated Version with complete solution](/docpics/3816939/654f856ee69ee_3816939_121_171.jpeg)
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Environmental Science Final Exam Broward College EVR 1001 Updated Version with complete solution
- Exam (elaborations) • 21 pages • 2023
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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...
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