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Enviro Final Soil
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Last updated: May 31, 2022
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| First submitted | May 31, 2022 |
| Times taken | 3 |
| Average score | 66.7% | Report this quiz | Report |
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1.
What is the composition of soil?
45% minerals, 25% air, 25% water, 5% organic matter
✓
45% water, 25% minerals, 25% air, 5% organic matter
✓
45% organic matter, 25% air, 25% minerals, 5% water
✓
45% minerals, 25% organic matter, 25% water, 5% air
✓
2.
What is the soil profile from the outside to the inside?
topsoil, subsoil, humus, bedrock, weathered bedrock
✓
humus, topsoil, subsoil, weathered bedrock, bedrock
✓
topsoil, subsoil, humus, bedrock, weathered bedrock
✓
humus, subsoil, topsoil, weathered bedrock, bedrock
✓
3.
What is one of the biggest issues of desalination?
increase fossil fuel dependence
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gets rid of drinking water
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plants get dehydrated
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changes pH of water
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4.
What is parent material?
second layer of soil
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rock or minerals from which soil derives
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roots
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decomposition of leaves
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5.
What is not a key function of soil?
maintaining good weather
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medium for plant growth
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habitat for organisms
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regulator for water
✓
6.
What is not a reason why fertilizer is bad for soil?
degradation
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soil compaction
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gets rid of pests
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loss of soil carbon
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7.
What is not a way that humans cause erosion?
off-road vehicles
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overgrazing
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overcropping
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not recycling
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8.
How is the parent material of soil formed?
Decomposition
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The collection of dust
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The rock that has slowly broken down into smaller particles by biological, chemical, and physical weathering
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The different components of soil begin to clump together by physical weathering
✓
9.
Permeability is...
the rate at which water and air moves from upper to lower soil layers
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the rate at which soil is able to move
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the rate at which water is able to move from the lower soil layers to the upper soil layers
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the rate of soil creation
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10.
Soil pH typically ranges from...
2-3
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6-10
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1-5
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4-8
✓
11.
What is a way to restore nutrients to soil?
higher pH
✓
plant weeds
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flood irrigation
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fertilizer
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12.
What are some issues with mining?
helps destroy invasive species
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leaking of acids/cyanide waster
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cools the areas temperature
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creates more habitat space
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13.
Soil is a slowly __________ resource that provides most of the nutrients needed for plant growth
renewed
✓
purified
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grown
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depleted
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14.
What is permeability?
measure of volume of soil
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The rate at which water and air moves from upper to lower soil layers
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the ability of soil to errode
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the clumping of soil particles
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15.
Why is drip irrigation the best type of irrigation?
it gives a lot of water to crops
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it allows for natural floods to irrigate crops
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it allows for a lot of evaporation so rain will come later on
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it allows for the least amount of weeds
✓
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