Exam (elaborations)
SCSC 301 Final Exam with verified answers
- Course
- Institution
SCSC 301 Final Exam with verified answers
[Show more]
Content preview
SCSC 301 Final Exam with verifiedanswers
Which of the following is NOT considered to be a function of soil? - ANSWERS✔✔ а.
Regulate water supplies
b. Modify atmosphere
с. Medium for plant growth
d. Recycle raw materials
e. They are all functions and services of soil
D
A soil that supports plant life must provide ——to the roots of the plants. -
ANSWERS✔✔ Oxygen and Nutrients
A soil contains A, E, B, and C master horizons. The A, E, and B horizons are
considered - ANSWERS✔✔ Soil solum
Which master horizon is considered the horizon of accumulation (i.e., illuviation)? -
ANSWERS✔✔ B
Which master horizon is considered the horizon of eluviation? - ANSWERS✔✔ E
In an ideal surface soil (with good conditions for plant growth), the percent of air is
and the percent water is overall (considering both solid and pore spaces). -
ANSWERS✔✔ 25%, 25%
Which horizon is a mix of mineral and organic matter, generally porous, has high
amounts of biological activity and often has less clay? - ANSWERS✔✔ A
, Compared to the atmosphere, soil has a higher concentration of - ANSWERS✔✔
Carbon Dioxide (CO2)
Which of the following primary minerals is most resistant to weathering? -
ANSWERS✔✔ Quartz
Which element is more concentrated in soil than in rocks and it not an essential
nutrient for plants? - ANSWERS✔✔ Al (aluminum)
Primary minerals have chemical or no chemical alteration? - ANSWERS✔✔ have had
no chemical alteration
The specific term used to describe deposits of wind-blown silt-sized particles that
will serve as parent materials is - ANSWERS✔✔ Loess
Weathering is greatest in tropical humid or tropical arid - ANSWERS✔✔ Tropical
humid
Soils with alluvium parent materials are likely to form.. - ANSWERS✔✔ near rivers
and streams
Effective precipitation is greatest where - ANSWERS✔✔ at the base of a slope/valley
since water can enter soil from precipitation and from runoff
A reaction that separates H20 into OH and H* ions is called - ANSWERS✔✔
hydrolysis
Which type of chemical weathering involves the transfer of electrons from one
element/ion/compound to another? - ANSWERS✔✔ Redox
Which factor does not promote aggregation? - ANSWERS✔✔ Monovalent cation
activity from Na+
Soil compaction has no effect on what? - ANSWERS✔✔ soil texture
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 Fordenken. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79223 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now