Geog 274 Final UPDATED ACTUAL Questions and CORRECT Answers
0 view 0 purchase
Course
Geog 274
Institution
Geog 274
Geog 274 Final UPDATED ACTUAL
Questions and CORRECT Answers
soil - CORRECT ANSWER- dynamic natural material composed of water, air, minerals,
and organic matter. Non renewable
why soil is important - CORRECT ANSWER- important for ecosytems, serves as a
habitat for microbes, source of nutrie...
Geog 274 Final UPDATED ACTUAL
Questions and CORRECT Answers
soil - CORRECT ANSWER✔✔- dynamic natural material composed of water, air, minerals,
and organic matter. Non renewable
why soil is important - CORRECT ANSWER✔✔- important for ecosytems, serves as a
habitat for microbes, source of nutrients, stores greenhouse gases
biosphere - CORRECT ANSWER✔✔- living organisms and their environment, open system
driven by solar radiation
ecosystem - CORRECT ANSWER✔✔- self sustaining plant/animal and nonliving
environment, open system
addition - CORRECT ANSWER✔✔- weathering of rocks provides raw material for soil
translocation - CORRECT ANSWER✔✔- movement of material down the soil horizions
edaphosphere - CORRECT ANSWER✔✔- soil layer
soil building takes - CORRECT ANSWER✔✔- 100 years/cm
human impact on soil - CORRECT ANSWER✔✔- poor farming practices can cause more
soil loss than formation, other factors are overgrazing, deforestation, salinizatio, and
desertification
, Desertification - CORRECT ANSWER✔✔- Degradation of land, especially in semiarid
areas, primarily because of human actions like excessive crop planting, animal grazing, and
tree cutting.
sustainable soil practices - CORRECT ANSWER✔✔- ploughing on the contour, reduced
ploughing, no till agriculture (reduced water loss, soil erosion, and encourages root growth)
soil components - CORRECT ANSWER✔✔- 50% weathered rock and organic material
50%water and air
open system
organic material - CORRECT ANSWER✔✔- includes living, dead, and decomposed organic
matter such as microorganisms, plant roots, dead/decomposiing plants/animals, humus
soil development is affected by - CORRECT ANSWER✔✔- natural processes (parent rock,
decomposing organic matter, bacterial processes, bioturbation) and human activities
parent material of soil - CORRECT ANSWER✔✔- is important for establishing the structure
of the soil
eluviation - CORRECT ANSWER✔✔- the washing out of fine soil components from the A
horizon by downward-percolating water. erosional process
illuviation - CORRECT ANSWER✔✔- deposit of leached material in lower soil layers (B
horizon). depositional process
solum - CORRECT ANSWER✔✔- layers A and B in soil horizion
pedology - CORRECT ANSWER✔✔- study of origin, distribution, development, and
desrciption of soil
pedon - CORRECT ANSWER✔✔- smallest soil unit showing all characterisitcs
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller MGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.49. You're not tied to anything after your purchase.
