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Test your basic knowledge |
DSST Environmental Science: Land Use
Start Test
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Subjects
:
dsst
,
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A mineral or grouping of minerals from which we extract metals - most metals are found in ore - Copper - iron - lead gold - and aluminum - Used in electronic components of computers - cell phones - DVD players.
Ore
Slag
Smelting
Monoculture
2. Mix the malachite with water and 6M sulfuric acid and heat the mixture - creating a transformation reaction where the only left over matter is the sand - which is then strained out. Iron fillings are then added to the solution - a substitution react
Biological Control
To purify copper from malachite
Slash and Burn
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
3. 1990 Clean Air Act amendments encouraged clean-burning low-sulfur coal led to more mining in Appalachia -dumping ton of debris sinto valley degrades and destroys areas of habitat -social and health impacts. loose rock tumbles down into homes - overl
Slash and Burn
Impact of Mountain-Top Removal
Why malachite was originally left behind as tailing from copper mines
Surface Mining Control and Reclamation Act of 1977
4. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Ecological services
Food Aid
Manmade nitrogen ertilizers
Economic services
5. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Economic services
Slag
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Mountain-Top Removal
6. Genetically engineered using recombinant DNA
Ecological services
Bt Corn
Genetically modified food
Lesson from Food Inc
7. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Agricultural revolution and technology
Food security
Malnourishment/Kwashiorkor
Slash and Burn
8. The golden molecule for plants because it makes them grow - Leagues have special nitrogen fixing bacteria in their rhizomes (roots) - Three covalent bonds for N2. Stronger the covalent bonds - the harder it is to react. Nitrogen gas is inert.
Food Aid
Adaptive Management
Biological Control
Nitrate
9. Foods derived from genetically modified organisms. Genetically modified organisms have had specific changes introduced into their DNA by genetic engineering techniques. include selective breeding; plant breeding. Typically - genetically modified food
Biological control (alternative to pesticides)
Slash and Burn
Sustainable Forestry
Genetically Modified foods
10. Locally-based socio-economic model of agriculture and food distribution. also refers to a particular network or association of individuals who have pledged to support one or more local farms - with growers and consumers sharing the risks and benefits
Selective cutting
What we can do to make forestry more sustainable
Community supported agriculture (CSA)
Fertilizers
11. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Surface mining
Slag
Malnourishment
Manmade nitrogen ertilizers
12. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
To purify copper from malachite
Strip mine
Why malachite was originally left behind as tailing from copper mines
Mechanization/tractors/combines
13. To reclaim is to make things level - and to get something growing and prevent erosion - If the U.S were to try to reclaim - it would cost tax payers about 2 trillion dollars.
Things people can do to avoid depleting minerals
Surface mining
Nitrate
Surface Mining Control and Reclamation Act of 1977
14. Cheap - But - removes all overburden (trees - soil - rocks - etc.); obliterates natural communities b/c everything has been removed; leads to erosion; causes sulfuric acid run-off;
Risks of Bt Corn
Advantages & Disadvantages of surface mining
Nitrate
Industrial Agriculture/ Factory Farming
15. Soy beans have been genetically modified for better traits. 'Round up Ready' soy beans have made it so that weed killer 'round up' can be sprayed around the plants and kill all the weeds but not the soy bean plants. 'round up ready soy beans' were cr
Mechanization/tractors/combines
Effect of Monsanto on soybean farming since 1994
Impact of Mountain-Top Removal
Adaptive Management
16. Worthless material that surrounds a wanted mineral in an ore deposit.
Coal
Famine
Tailings/ Gangue
Integrated Pest Management (IPM)
17. Choosing valuable trees only - lots of reseeding - transportation is hard.
Community supported agriculture (CSA)
Selective cutting
Impact of Mountain-Top Removal
Malnourishment/Kwashiorkor
18. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Famine
Costs and downsides of purifying malachite
Food Aid
Undernourishment
19. way to enhance nutrient-limited soils - Inorganic fertilizers- mined or synthetically manufactured mineral supplements - Organic fertilizers consist of the remains or wastes of organisms that include animal mancure - organic fertilizers can improve
Fertilizers
Tailings/ Gangue
Manmade nitrogen fertilizers
Advantages & Disadvantages of Subsurface mining
20. Now makes up 80% of corn in the US - Benefits: Contains naturally occurring pesticide - Increases production - could feed more people - Grow more per square area - Doesn't spoil as quickly - Bigger - tastier
Bt Corn
Famine
Pesticides
Strip cutting
21. Solid waste from smelts
Plowing
Slag
Strip mine
Community garden
22. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Open pit mine
Undernourishment
Food security
Pesticides
23. Completely missing something acquired from food; usually protein or vitamin C
Undernourishment/Marasmus
Malnourishment/Kwashiorkor
Why malachite was originally left behind as tailing from copper mines
Open pit mine
24. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Pesticides
To purify copper from malachite
Manure/compost
25. Not enough of some vitamin/mineral/essential thing in food
Undernourishment/Marasmus
Tailings/ Gangue
Malnourishment/Kwashiorkor
Effect of Monsanto on soybean farming since 1994
26. Mining method- mountain's forests are clear-cut and the timber is sold - topsoild is removed - and then the rock is blasted away to expose the coal for extraction. Overburden is placed back on the mountaintop. Primarily for coal in the Appalachian Mo
Adaptive Management
Mountain-Top Removal
Open pit mine
Food security
27. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Famine
Minerals
Effect of Monsanto on soybean farming since 1994
Food security
28. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Manmade nitrogen fertilizers
Mechanization/tractors/combines
Genetically Modified foods
Strip Cutting
29. -boosts yields by intensifying irrigation and introducing synthetic fertilizers - while the advent of chemical pesticides reduce competition from weeds and herbivory by crop pests - Industrial agriculture works best under the condition of monoculture
Industrial Agriculture/ Factory Farming
Risks of Bt Corn
Undernourishment
Open pit mine
30. Manages resource harvesting so as to minimize impact on ecosystem and ecological processes that provide the resource - Advantages: can protect certain areas; can restore habitats; considers surroundings; allows timber harvesting while preserving inte
Current Population/ 2100 projects of world population
Ecosystem-based Management
Strip Cutting
Mechanization/tractors/combines
31. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Slag
Overburden
Current Population/ 2100 projects of world population
Strip mine
32. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Risks of Bt Corn
Things people can do to avoid depleting minerals
Integrated Pest Management (IPM)
Nitrate
33. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Coal
Manure/compost
Tailings/ Gangue
Maximum Sustainable Yield
34. A single piece of land gardened collectively by a group of people.
Genetically Modified foods
Surface mining
Community garden
Strip cutting
35. By far the best method for managing pests - Uses chemical pesticides - biocontrol - AND diversity - Not monoculture; things are planted in a mosaic so that if pests attack all of the corn in one area there is still more corn somewhere else - Proven t
Pest management
Famine
Undernourishment
Plowing
36. Recycle batteries - Send large amounts of metal to scrap yards/businesses instead of to landfills (ex. cars - fridges - dishwashers - etc.) - Recycle old electronics like phones and computers to prevent more mining of minerals like tantalum that are
Clear-cutting
Industrial Agriculture/ Factory Farming
Pest management
Things people can do to avoid depleting minerals
37. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Strip cutting
Manmade nitrogen fertilizers
Slash and Burn
Protein (usually)
38. Harvesting only mature trees of certain species and size; usually more expensive then clear-cutting but it is less disruptive for wildlife and often better for forest regeneration
Advantages & Disadvantages of Subsurface mining
Clear cutting
Manmade nitrogen ertilizers
Selective Cutting
39. Technology was not able to profitably remove the copper from the malachite
Why malachite was originally left behind as tailing from copper mines
Clear-cutting
Mechanization/tractors/combines
Types of forestry
40. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Surface mining
Biological Control
Genetically Modified foods
Current Population/ 2100 projects of world population
41. The surface soil that must be moved away to get at coal seams and mineral deposits
Impact of Mountain-Top Removal
Open pit mine
Smelting
Overburden
42. Long term information is unknown - Can take over surrounding ecosystem - Pest-killing toxin also kills insects that should not and are not meant to be killed such as monarch butterflies - Pollen can be carried to nearby plants by wind thus making th
Advantages & Disadvantages of surface mining
Selective cutting
Risks of Bt Corn
Biological control (alternative to pesticides)
43. Cut trees shortly after they go through their fastest stage of growth (which is during their intermediate age) - Advantages: maximizes timber production over time - Disadvantages: trees get cut before they mature; alters forest ecology; eliminates ha
Mountain-Top Removal
To purify copper from malachite
Surface Mining Control and Reclamation Act of 1977
Maximum Sustainable Yield
44. Advantages: removes the least amount of unwanted material so less waste - Disadvantages: potential collapse; sinkholes; acid drainage; pollutes groundwater; risk of injury/death from dynamite blasts - natural gas explosions - inhalation of toxic gass
Genetically modified food
Advantages & Disadvantages of Subsurface mining
Ecological services
Clear cutting
45. Do not naturally occur in the environment - but are synthesized by man. Since all these compounds have carbon and hydrogen atoms as the basis of their molecule (as do living plants and animals) - they are referred to as organic compounds to form pest
Slash and Burn
Bt Corn
Artificial Organic compounds
Community garden
46. Mining method- mining underground coal deposits - in which shafts are dug deeply into the ground and networks of tunnels are dug to follow coal seams.
Advantages & Disadvantages of Subsurface mining
Subsurface mining
Manmade nitrogen ertilizers
Overburden
47. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Acid mine drainage
Naturally occurring pesticides
Manmade nitrogen fertilizers
Advantages & Disadvantages of surface mining
48. Strip mining - open pit mining - mountain top removal
Community garden
Plowing
Types of surface mining
Agricultural revolution and technology
49. Shafts are excavated deep into the ground - and networks of tunnels are dug or blasted out to follow deposits of the mineral. requires removal of the overburden - Used for metals ( zinc - lead - nickel - tin - gold - copper) and coal - Most dangerous
Advantages & Disadvantages of surface mining
Naturally occurring pesticides
Surface mining
Selective cutting
50. Can hurt other species - methods used to control other species can become invasive species themselves - Ex. Australia released a virus to kill the excessive rabbits; Australians brought in cane toads to kill beetles on their sugar cane - BUT the toa
Malnourishment
Dangers of Biological control
Impact of Mountain-Top Removal
Clear-cutting