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2021 Virtual National Collegiate Soils Contest - Feature ID for Individuals
1. Write down the question number and your answer letter for each question below on a piece of paper as a backup copy. 2. Decide if you want to enter your answers or ask your coach to. 3. If you already have one, or sign up for a free Google Account, you may enter your answers. Click "Submit" to send in answers.
https://accounts.google.com/signup/v2/webcreateaccount?flowName=GlifWebSignIn&flowEntry=SignUp
4. Hand in your answers to your coach.
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Last name
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Your answer
First name
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Your answer
School and Team Letter (EX: Sandy College - B)
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Your answer
4. What caused the formation of these color patterns?
1 point
A. Sombric horizon formation
B. Decomposition of organic matter
C. Reduction and oxidation of Fe
D. Weathering of bedrock
Clear selection
13. This epipedon formed in a drained wetland on the steppe of Ukraine.
1 point
A. Umbric
B. Melanic
C. Mollic
D. Plaggen
Clear selection
16. What is the parent material of this Torrifluvent in Big Bend national park in West Texas?
1 point
A. Eolian sand
B. Loess
C. Colluvium
D. Alluvium
Clear selection
18. Identify the landform with red arrow in the Rocky Mountains.
1 point
A. Floodplain
B. Terrace
C. Alluvial fan
D. Talf
Clear selection
20. This soil structure type is commonly found in a mollic epipedon.
1 point
A. Angular blocky
B. Subangular blocky
C. Platy
D. Granular
Clear selection
26. What is the boundary distinctness at the arrow in this Durorthod?
1 point
A. Wavy
B. Abrupt
C. Diffuse
D. Gradual
Clear selection
32. What is the black colored secondary mineral found between 40 to 75 cm in this Endoaquult?
1 point
A. Fe concentration
B. Plinthite
C. Mn concentration
D. Placic material
Clear selection
39. What would be the rating for hops on this fine sand-textured Alorthod?
1 point
A. Slight
B. Moderate
C. Severe
D. NR
Clear selection
49. What is this intermittently-ponded basin landform found in arid and semiarid areas?
1 point
A. Kettle
B. Bay
C. Playa
D. Bolson
Clear selection
50. The best choice for the boundary distinctness centered at 20 cm in this Lithic Haploxerand?
1 point
A. Abrupt
B. Clear
C. Diffuse
D. Broken
Clear selection
51. The bright pink color in this soil indicates a high pH (>9.0) caused within 30 seconds of exposure to 1N Sodium Fluoride (NaF). NaF is used as a field indicator for what soil property or condition?
1 point
A. Spodic Materials
B. Fibric Materials
C. Andic Soil Properties
D. Anhydrite
Clear selection
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