The flashcards below were created by user
mglicc
on FreezingBlue Flashcards.
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__________ is life bearing while __________ is barren.
A) dirt, desert
B) soil, dirt
C) soil, bedrock
D) dirt, soil
B) soil dirt (this multiple choice question has been scrambled)
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Another word/phrase used to describe bedrock is ___________.
parent material
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What allows soil to support various forms of plant and animal life?
The nutrients it contains
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______ is a combination of particles of rocks, minerals, and organic matter produced through __________ processes.
soil, weathering
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The following are the steps for Soil formation. Fill in the blanks.
1. Bedrock begins to disintegrate
2. ________ materials facilitate disintegration
3. ____________ form.
4. Developed soil supports thick ___________.
Organic, horizons, vegitation
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Which soil horizon layer is the subsoil, and completes a basic mature soil.
A) A horizon
B) B horizon
C) C horizon
D) O horizon
A) A horizon (this multiple choice question has been scrambled)
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Why does Horizon B contain the nutrients in soil?
Because rain causes the nutrients found in the A Horizon to leach down into the B Horizon
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Any mature soil must have a ________.
subsoil
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Which horizon contains the nutrients needed for some deep root plants?
The B horizon
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Which horizon contains the organic material in soil?
Horizon A
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Another word for horizon A is _______.
Topsoil
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As more organic matter and minerals are added to soil it starts to form ______.
layers
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The carbonation of Limestone is a weathering process that occurs in which soil horizon
A) O horizon
B) C horizon
C) A horizon
D) B horizon
B) C horizon (this multiple choice question has been scrambled)
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In step 2 of the soil formation process, After the partly weathered parent material starts to gather organic matter, what happens to the parent material?
It moves downward
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What type of soil would suppor a forest of 15-30 foot pine trees?
A) Mature soil
B) Immature soil
B) Immature soil
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Large trees are supported by which kind of soil?
A) Mature soil
B) Immature soil
A) Mature soil
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Which horizon is the top layer of soil and is dominated by organic matter, and leaf and stem litter?
A) A horizon
B) B horizon
C) C horizon
D) O horizon
D) O horizon (this multiple choice question has been scrambled)
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Which horizon layer is the zone of accumulation of organic matter and nutrients?
A) C horizon
B) A horizon
C) B horizon
D) O horizon
B) A horizon (this multiple choice question has been scrambled)
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Which horizon layer is the zone of illuvation (accumulation of clays)
A) B horizon
B) O horizon
C) A horizon
D) C horizon
A) B horizon (this multiple choice question has been scrambled)
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Generally, _______ areas tend to have very deep fertile soil since the ____________ will not wash the soil away
flat, rain water
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What kind of soild is promoted by flat land?
A) Good
B) Bad
A) Good
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If the soil is native to the area it formed, what relationship is it most likely to have with the parent rock?
A) The fact that they are both acidic
B) A dynamic equilibrium
C) Chemical weathering
D) A matching physical composition
E) A matching chemical composition
E) A matching chemical compostion (this multiple choice question has been scrambled)
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