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Pinnacle 5 January MT Review

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  • Why are the coastal regions of California dangerous?
    The creep there is fast moving
    There are lots of landslides
    There are lots of mudflows
    The cliffs are unstable
  • The breakdown of rock by acidic water is an example fo
    desertification
    chemical weathering
    oxidation
    mechanical weathering
  • What can bad farming practices lead to?
    loss in flavor
    soil loss
    increase in predators
    overpopulation
  • In dry regions, what can overgrazing and clearing of land for farming lead to?
    desertification
    crop rotation
    plowing
    tillage
  • What kind of terrain do landslides, rockslides, and mudflows all occur on?
    volcanoes
    canyons
    flat land
    mountainsides
  • How is texture of the soil determined?
    the pore space
    the amount of air
    the size of the weathered rock particles
    the amount of water
  • erosion
    a sudden fast movement of rock and soil
    the downhill movement of masses or rock and soil
    weathered particles are picked up and moved to another place
    when sediment is put in a new location
  • overgrazing
    the recycled nutrients after being broken down
    when animals eat large amounts of land cover
    the cleaning and purifying of soil
    desert conditions in areas where plant cover was destroyed
  • Which reacts with rain water to help dissolve rocks?
    carbon dioxide
    oxygen
    water
    rust
  • Which is NOT a type of mass wasting?
    blizzards
    creep
    mudslides
    rockslides
  • Which kind of climate speeds up chemical weathering?
    mild
    hot
    chilly
    cold
  • Which is evidence of creep?
    volcanic eruptions
    sudden movement of rocks
    leaning fences
    large amounts of mud flowing down a mountainside
  • crop rotation
    reduce number of times soil is tilled
    plant different crops on the same field in different years
    the recycled nutrients after being broken down
    desert conditions in areas where plant cover was destroyed
  • What is soil used for?
    to shelter animals
    to purify water
    to support th growth of plants
    all of these
  • mass wasting
    a sudden fast movement of rock and soil
    weathered particles are picked up and moved to another place
    when sediment is put in a new location
    the downhill movement of masses or rock and soil
  • landslide
    the downhill movement of masses or rock and soil
    weathered particles are picked up and moved to another place
    a sudden fast movement of rock and soil
    when sediment is put in a new location
  • Which of the following is true of creep?
    a type of mass movement that you are least likely to see
    it c\occurs faster when the soil is dry
    it always occurs at the same rate
    it happens too slowly to be seen
  • Which human activity does NOT directly affect soil?
    farming
    mining
    hunting
    construction and development
  • contour plowing, strip-cropping, and terracing are conservation methods made to reduce the
    acidity in soil
    activity of microorganisms
    runoff water
    pore space in soil
  • Which mass wasting is the slowest?
    creep
    rockslide
    mudflow
    slump
  • Which is NOT a part of soil?
    humus
    water
    air
    fertilizer
  • What is similar about terracing and contour plowing?
    they both reduce the amount of plowing
    they both are used on sloping land
    they both use different crops to conserve nutrients
    they both include trees
  • How do microorganisms help plants?
    they provide plants with carbon dioxide
    they provide plants with oxygen
    they provide plants with water
    they provide plants with nitrogen
  • Which is NOT a method of conserving soil?
    desertification
    windbreaks
    contour planting
    crop rrotation
  • What is the main component of soil?
    humus
    rock particles
    air
    water
  • desertification
    the cleaning and purifying of soil
    when animals eat large amounts of land cover
    desert conditions in areas where plant cover was destroyed
    open pits by removal of soil from surface of the ground
  • contour plowing
    when sulfide minerals react with air and water
    flat, steplike areas built on a hillside to hold rainwater
    reduce number of times soil is tilled
    plowing along curves or contours of slopes
  • Which is NOT a form of mechanical weathering?
    pressure release
    ice wedging
    abrasion
    dissolving
  • A lot of soil is dug up at construction sites. What can this lead to?
    the soil is thrown out
    the soil is brought to farms to replace old soil
    the soil is used to keep buildings in place
    the soil can go into rivers and lakes and cause flooding
  • Which can cause mudflows?
    ice loosening rocks
    construction of highways making slopes unstable
    volcanic eruptions
    wind pushing on loose rocks
  • What makes up debris?
    soil, rocks, plants
    water and soil
    water, soil, rocks, and plants
    soil, rocks, and ice
  • Why is soil an important resource?
    it helps create farms
    it helps fill in space for development
    it is food for animals
    helps plant growth, purifies water, and recycles nutrients
  • terrace
    planting trees between fields to reduce soil carried off
    plowing along curves or contours of slopes
    reduce number of times soil is tilled
    flat, steplike areas built on a hillside to hold rainwater
  • Which is true of mass wasting?
    it can be triggered by heavy rain or earthquakes
    it only occurs in tropical climates
    it never occurs gradually
    it often takes place on flat lands
  • Which is NOT one of the main three ways erosion moves sediment?
    rock
    ice
    water
    wind
  • How do windbreaks help conserve soil?
    they stop wind from blowing away soil
    they block sunlight from destroying soil
    they keep animals away
    they stop water from draining out
  • What happens with the soil when strip mines are dug?
    soil is not affected
    soil is moved to a previous mining spot
    soil is moved but then put back when done
    plants and soil are removed
  • deposition
    the downhill movement of masses or rock and soil
    when sediment is put in a new location
    a sudden fast movement of rock and soil
    weathered particles are picked up and moved to another plac
  • Which is NOT true of mudflows?
    it can occur in mountain canyons and valleys after heavy rai
    it consists of debris with large amounts of water
    it is an example of mass wasting of rock
    it can occur on active volcanoes
  • What can happen after a mountain slope collapses?
    it can cause an earthquake
    it can form a volcano
    it can cause mass movements of debris
    it can cause telephone poles to lean slightly
  • conservation tillage
    the recycled nutrients after being broken down
    plant different crops on the same field in different years
    reduce number of times soil is tilled
    when sulfide minerals react with air and water
  • What is true of rockfalls but not rockslides?
    a large mass of rock slides as a unit down a slope
    individual blocks of rock drop suddenly down a slope
    rockfalls are an example of mass wasting of rock
    rockfalls often take place in high mountains
  • windbreaks
    planting trees between fields to reduce soil carried off
    plowing along curves or contours of slopes
    flat, steplike areas built on a hillside to hold rainwater
    when sulfide minerals react with air and water
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