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Test your basic knowledge |
DSST Environmental Science: Land Use
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Subjects
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dsst
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science
Instructions:
Answer 50 questions in 15 minutes.
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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. Worthless material that surrounds a wanted mineral in an ore deposit.
Advantages & Disadvantages of Subsurface mining
Tailings/ Gangue
Community supported agriculture (CSA)
Manure/compost
2. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Food Aid
Nitrate
Ore
Naturally occurring pesticides
3. Technology was not able to profitably remove the copper from the malachite
Manmade nitrogen fertilizers
Why malachite was originally left behind as tailing from copper mines
Strip mine
Tailings/ Gangue
4. Choosing valuable trees only - lots of reseeding - transportation is hard.
Clear cutting
Fertilizers
Nitrate
Selective cutting
5. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Manmade nitrogen ertilizers
Naturally occurring pesticides
Maximum Sustainable Yield
Biological Control
6. Clear cutting - Strip cutting - selective cutting
Types of forestry
Pest management
Why malachite was originally left behind as tailing from copper mines
Ore
7. 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
Food Aid
Lesson from Food Inc
Pest management
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.
Nitrate
Food Aid
Malnourishment/Kwashiorkor
Naturally occurring pesticides
9. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Community garden
How corn yield has changed in the United States since the 1920s
Artificial Organic compounds
What we can do to make forestry more sustainable
10. Completely missing something
Malnourishment
Strip cutting
Monoculture
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
11. 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
Coal
Strip mine
Agricultural revolution and technology
Genetically Modified foods
12. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
To purify copper from malachite
Costs and downsides of purifying malachite
Subsurface mining
Why malachite was originally left behind as tailing from copper mines
13. 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
Food security
Fertilizers
Integrated Pest Management (IPM)
Community garden
14. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Types of forestry
Smelting
What we can do to make forestry more sustainable
Famine
15. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Undernourishment/Marasmus
Advantages & Disadvantages of surface mining
Open pit mine
Slash and Burn
16. 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
Risks of Bt Corn
Famine
Manmade nitrogen ertilizers
Impact of Mountain-Top Removal
17. 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.
Dangers of Biological control
Surface Mining Control and Reclamation Act of 1977
Malnourishment/Kwashiorkor
To purify copper from malachite
18. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Slag
Artificial Organic compounds
Minerals
Ecosystem-based Management
19. One farmer=100 eaters.
Open pit mine
Famine
Advantages & Disadvantages of Subsurface mining
Lesson from Food Inc
20. - the turning and loosening of soil for the planting of crops
Risks of Bt Corn
Plowing
Malnourishment/Kwashiorkor
Famine
21. -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
Strip Cutting
Industrial Agriculture/ Factory Farming
Food Aid
Famine
22. Strip mining - open pit mining - mountain top removal
Dangers of Biological control
Minerals
Types of surface mining
Costs and downsides of purifying malachite
23. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Economic services
Strip mine
Agricultural revolution and technology
Nitrate
24. 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
To purify copper from malachite
Why malachite was originally left behind as tailing from copper mines
Plowing
How corn yield has changed in the United States since the 1920s
25. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Genetically modified food
Advantages & Disadvantages of surface mining
Community supported agriculture (CSA)
Strip mine
26. A single piece of land gardened collectively by a group of people.
Community garden
Slag
Subsurface mining
Maximum Sustainable Yield
27. 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
Types of surface mining
Adaptive Management
Advantages & Disadvantages of surface mining
Nitrate
28. 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
Risks of Bt Corn
Genetically Modified foods
Food security
Artificial Organic compounds
29. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Ecological services
Mountain-Top Removal
Manmade nitrogen fertilizers
Strip cutting
30. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Food security
Economic services
Clear cutting
Ecological services
31. 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
Advantages & Disadvantages of Subsurface mining
Coal
Ecosystem-based Management
Surface mining
32. Solid waste from smelts
Dangers of Biological control
Types of surface mining
How corn yield has changed in the United States since the 1920s
Slag
33. 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
Surface mining
To purify copper from malachite
Sustainable Forestry
Things people can do to avoid depleting minerals
34. Completely missing something acquired from food; usually protein or vitamin C
Coal
Acid mine drainage
Malnourishment/Kwashiorkor
Genetically Modified foods
35. 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
Costs and downsides of purifying malachite
Surface mining
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Biological control (alternative to pesticides)
36. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Strip Cutting
Nitrate
Open pit mine
Surface Mining Control and Reclamation Act of 1977
37. 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
Ore
Surface mining
Maximum Sustainable Yield
Artificial Organic compounds
38. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Artificial Organic compounds
Manure/compost
Bt Corn
Genetically modified food
39. 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
Community garden
Sustainable Forestry
Monoculture
40. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Genetically modified food
Pesticides
Selective Cutting
Coal
41. 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
Monoculture
Strip Cutting
Dangers of Biological control
Selective cutting
42. The uniform planting of a single crop
Strip mine
Selective Cutting
Monoculture
Open pit mine
43. 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
Effect of Monsanto on soybean farming since 1994
Lesson from Food Inc
Manmade nitrogen fertilizers
Surface Mining Control and Reclamation Act of 1977
44. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Manure/compost
Manmade nitrogen fertilizers
Slag
Slash and Burn
45. 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;
Subsurface mining
Clear-cutting
Advantages & Disadvantages of surface mining
Industrial Agriculture/ Factory Farming
46. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Coal
Smelting
Open pit mine
Community garden
47. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Economic services
Slash and Burn
Costs and downsides of purifying malachite
Surface mining
48. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Mechanization/tractors/combines
Food security
Current Population/ 2100 projects of world population
Strip mine
49. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Pesticides
Ore
Current Population/ 2100 projects of world population
Advantages & Disadvantages of surface mining
50. 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
Agricultural revolution and technology
Smelting
Advantages & Disadvantages of surface mining
Strip Cutting
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