Soil composition Study guides, Class notes & Summaries

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?...

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...

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 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 ...

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...

_____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...

___________ 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) 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 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...

The Troop Leading Steps are Begin planning Arrange for reconnaissance and coordination Make reconnaissance and coordination Complete the planning Issue the order Supervise BAMCIS overview The troop leading steps are meant to aid leaders in making tactically sound decisions, formulating plans, coherently communicating those plans, and Turing those decisions into action. The receipt of a mission Triggers the troop leading steps Warning order is An abbreviated set of i...