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- 1. Multiple Choice
What is the name of Soil Horizon O?BedrockTopsoilOrganic LayerSubsoil - 2. Multiple ChoiceWhat is the name of Soil Horizon B?SubsoilTopsoilBedrockTransition Zone
- 3. Multiple ChoiceSoil is formed slowly through the weathering of materials called ___.Bedrock or parent materialMagma and lavaorganic matterleaves and litter
- 4. Multiple ChoiceWhat are the two types of weathering?Rain and SnowPrecipitation and TemperaturePhysical and ChemicalMetal and Nonmetal
- 5. Multiple ChoiceLarge rocks fall from mountainsidesChemical weatheringMechanical weathering
- 6. Multiple ChoiceFormed by sulfur and nitrogen compounds will cause rocks to fall aparthydrationcarbonationoxidationacids
- 7. Multiple ChoiceWater (usually from powerful waves) rushes into cracks in rocks; but a tiny bit of air is compressed at the crevice of the crack;hydrationhydraulic actionextreme floodingoxidation
- 8. Multiple ChoiceEspecially in deserts, rocks heat up in the day and, as the temperature drops greatly at night, the rocks can flake easily (exfoliate).hydraulic actiongravityfreeze/thawhydration
- 9. Multiple ChoiceWhat's in that soil?
If the soil is red or yellow it must have __ in it.heliumoxidized ironcarbonorganic matter - 10. Multiple ChoiceMosses and lichens attach to rocks and this causes physical as well as chemical breakdown of the rock.organic activitydecompositionoxidationcarbonation
- 11. Multiple ChoiceName that layer!
Layer where soil accumulates (holds) nutrients such as nitrogen and phosphorus.TopsoilSubsoilBedrockTransition Zone - 12. Multiple ChoiceName that layer!
This is where minerals, materials, and substances move along with water through the soil, deeper into the ground (leaching).OEBR - 13. Multiple ChoiceName that layer!
Very dense layer; the color of this layer depends on the color of the bedrock.CROA - 14. Multiple ChoiceName that layer!
A mix of leaf litter and humus occupy this soil layer.OAEB - 15. Multiple ChoiceThe tool we use to identify soil based on percentages of silt, sand and clay.Soil Texture TriangleSoil Texture SquareChromotographyAn expensive filtration system
- 16. Multiple ChoiceWhat's in that soil?
If the color of soil is light colored it is most likely part of the __ layer in the soil profile.AOEC - 17. Multiple ChoiceThe layer of soil which the topsoil is found.Horizon AHorizon BHorizon CHorizon D or R
- 18. Multiple ChoiceLayers of soil are also known as:Soil ProfilesSoil HorizonsSoil sheetsSoil cores
- 19. Multiple ChoiceIn which layer of the soil profile contains the MOST humus?Layer 1Layer 2Layer 3Layer 4
- 20. Multiple ChoiceWhich of the following is NOT one of the three types of soil?claysandsiltmud
- 21. Multiple ChoiceWhich of the following is the largest particle in soil?sandsilthumusclay
- 22. Multiple ChoiceYou dig a small hole in the soil and the next day it rains. The hole fills with water, but does not empty even after several days of dry weather. What is the soil mostly made of?claysandhumussilt
- 23. Multiple ChoiceIn which horizon of soil profile does leaching normally occur?regolithsubsoiltopsoilbedrock
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