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Test your basic knowledge |
DSST Environmental Science: Land Use
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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. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Tailings/ Gangue
Malnourishment
Ecological services
Smelting
2. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Types of surface mining
Manmade nitrogen ertilizers
Malnourishment/Kwashiorkor
Slash and Burn
3. A single piece of land gardened collectively by a group of people.
Malnourishment
Food security
Biological control (alternative to pesticides)
Community garden
4. 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
Community supported agriculture (CSA)
Monoculture
Advantages & Disadvantages of surface mining
Malnourishment/Kwashiorkor
5. 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
Sustainable Forestry
Impact of Mountain-Top Removal
Current Population/ 2100 projects of world population
Selective cutting
6. The FSC (Forest Stewardship Council) examine the practices of firms and rate them against criteria for sustainability - Grant sustainable forest certification to forests - companies - and products produced using methods they consider sustainable.
How corn yield has changed in the United States since the 1920s
Subsurface mining
Sustainable Forestry
Biological Control
7. Strip mining - open pit mining - mountain top removal
Risks of Bt Corn
Pest management
Smelting
Types of surface mining
8. 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
Ecosystem-based Management
Coal
Acid mine drainage
Malnourishment
9. Fertilizers - promote plant growth by providing essential nutrients like nitrogen or phosphorus; increases crop yield - Combines/Machinery - allows farmers to work much faster and more efficiently; increases crop yield - Pesticides - kill insects - p
Impact of Mountain-Top Removal
Agricultural revolution and technology
Open pit mine
Lesson from Food Inc
10. 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
Malnourishment
Selective Cutting
Lesson from Food Inc
Risks of Bt Corn
11. - the turning and loosening of soil for the planting of crops
Plowing
Agricultural revolution and technology
Selective Cutting
Clear-cutting
12. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Things people can do to avoid depleting minerals
Industrial Agriculture/ Factory Farming
Food Aid
Open pit mine
13. Completely missing something acquired from food; usually protein or vitamin C
Advantages & Disadvantages of surface mining
Open pit mine
Dangers of Biological control
Malnourishment/Kwashiorkor
14. Systematically tests different approaches and aims to improve methods and find ideal over time - Advantages: can be highly effective; works with each specific environment; can protect species; can provide minimum impact - Disadvantages: difficult to
Manmade nitrogen ertilizers
Selective Cutting
Strip Cutting
Adaptive Management
15. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Integrated Pest Management (IPM)
Tailings/ Gangue
Smelting
Manmade nitrogen ertilizers
16. 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
Malnourishment/Kwashiorkor
Pest management
Ecosystem-based Management
17. 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
Lesson from Food Inc
To purify copper from malachite
Dangers of Biological control
Naturally occurring pesticides
18. 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
Manure/compost
Malnourishment/Kwashiorkor
Surface mining
Mountain-Top Removal
19. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Ecological services
Current Population/ 2100 projects of world population
Naturally occurring pesticides
Ecosystem-based Management
20. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Effect of Monsanto on soybean farming since 1994
Coal
Manmade nitrogen fertilizers
Maximum Sustainable Yield
21. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Effect of Monsanto on soybean farming since 1994
Strip cutting
Clear cutting
Surface Mining Control and Reclamation Act of 1977
22. Uses the idea that 'the enemy of one's enemy is one's friend' - Battles pests and weeds with organisms that eat or infect them - Can be extremely effective and inexpensive
Biological control (alternative to pesticides)
Ecosystem-based Management
Food security
Selective Cutting
23. 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;
Advantages & Disadvantages of surface mining
Manmade nitrogen fertilizers
Undernourishment/Marasmus
Mechanization/tractors/combines
24. 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.
Nitrate
Manure/compost
What we can do to make forestry more sustainable
Pesticides
25. 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
Dangers of Biological control
Advantages & Disadvantages of Subsurface mining
Overburden
Clear cutting
26. Not enough of some vitamin/mineral/essential thing in food
Undernourishment/Marasmus
Community supported agriculture (CSA)
Manmade nitrogen ertilizers
Strip cutting
27. 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
Effect of Monsanto on soybean farming since 1994
Ecological services
Artificial Organic compounds
Undernourishment/Marasmus
28. Choosing valuable trees only - lots of reseeding - transportation is hard.
Ore
Community supported agriculture (CSA)
Selective cutting
Protein (usually)
29. A variation of clear-cutting in which a strip of trees is clear-cut along the contour of the land - with the corridor narrow enough to allow natural regeneration within a few years. After regeneration - another strip is cut above the first - and so o
Mountain-Top Removal
Ore
Types of surface mining
Strip cutting
30. Organic macromolecules hardest to provide during a famine
Types of forestry
Protein (usually)
Costs and downsides of purifying malachite
Ecological services
31. Having not enough of something
Clear cutting
Economic services
Undernourishment
Subsurface mining
32. When sulfide minerals in newly exposed rock surfaces react with oxygen and rainwater to produce sulfuric acid - causing runoff as it leaches metals from the rocks
Naturally occurring pesticides
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Acid mine drainage
Agricultural revolution and technology
33. The uniform planting of a single crop
Monoculture
Community garden
Biological control (alternative to pesticides)
Smelting
34. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Surface Mining Control and Reclamation Act of 1977
Ecosystem-based Management
Integrated Pest Management (IPM)
Economic services
35. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Minerals
Manmade nitrogen fertilizers
Integrated Pest Management (IPM)
Ecological services
36. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Tailings/ Gangue
Manmade nitrogen fertilizers
Famine
Surface mining
37. 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
Undernourishment
Maximum Sustainable Yield
Manmade nitrogen ertilizers
Selective Cutting
38. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Undernourishment
Current Population/ 2100 projects of world population
Clear-cutting
Naturally occurring pesticides
39. 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
Maximum Sustainable Yield
Acid mine drainage
Slag
Types of forestry
40. Worthless material that surrounds a wanted mineral in an ore deposit.
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Tailings/ Gangue
Why malachite was originally left behind as tailing from copper mines
Mechanization/tractors/combines
41. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Agricultural revolution and technology
Malnourishment/Kwashiorkor
Economic services
Pesticides
42. 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.
Genetically Modified foods
Ore
Coal
Ecosystem-based Management
43. Genetically engineered using recombinant DNA
Effect of Monsanto on soybean farming since 1994
Malnourishment
Biological control (alternative to pesticides)
Genetically modified food
44. 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
Advantages & Disadvantages of Subsurface mining
Ore
Tailings/ Gangue
Bt Corn
45. 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.
Subsurface mining
Smelting
Slash and Burn
Biological Control
46. 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
Mountain-Top Removal
Manure/compost
Types of forestry
Community supported agriculture (CSA)
47. One farmer=100 eaters.
Advantages & Disadvantages of Subsurface mining
Ecological services
Lesson from Food Inc
Ore
48. Technology was not able to profitably remove the copper from the malachite
Malnourishment
Why malachite was originally left behind as tailing from copper mines
Selective cutting
Coal
49. 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
Industrial Agriculture/ Factory Farming
To purify copper from malachite
Types of forestry
Genetically Modified foods
50. 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
Coal
Things people can do to avoid depleting minerals
Acid mine drainage