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...

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 ...

_____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...