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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.
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. Technology was not able to profitably remove the copper from the malachite
Strip mine
Artificial Organic compounds
Food security
Why malachite was originally left behind as tailing from copper mines
2. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Slash and Burn
Biological Control
Coal
Effect of Monsanto on soybean farming since 1994
3. -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
Selective cutting
Coal
Mountain-Top Removal
Industrial Agriculture/ Factory Farming
4. Organic macromolecules hardest to provide during a famine
Surface mining
Mechanization/tractors/combines
Protein (usually)
Community supported agriculture (CSA)
5. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Lesson from Food Inc
Coal
Industrial Agriculture/ Factory Farming
Economic services
6. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Biological control (alternative to pesticides)
Current Population/ 2100 projects of world population
How corn yield has changed in the United States since the 1920s
Mountain-Top Removal
7. 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
Genetically modified food
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Manmade nitrogen ertilizers
Bt Corn
8. 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
Selective Cutting
Advantages & Disadvantages of surface mining
Pesticides
9. The uniform planting of a single crop
Undernourishment/Marasmus
Monoculture
Community garden
Lesson from Food Inc
10. Controversial logging practice where all trees in an area are uniformly cut down - used by foresters to create certain types of forest ecosystems and to promote select species that requires an abudnace of sunlight or grow in large - even--age stands
Clear cutting
Famine
Clear-cutting
Selective cutting
11. 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
Risks of Bt Corn
Strip Cutting
Why malachite was originally left behind as tailing from copper mines
Mountain-Top Removal
12. 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.
Slash and Burn
Effect of Monsanto on soybean farming since 1994
Why malachite was originally left behind as tailing from copper mines
Nitrate
13. 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
Manure/compost
Biological Control
Genetically Modified foods
Clear-cutting
14. One farmer=100 eaters.
Lesson from Food Inc
Risks of Bt Corn
To purify copper from malachite
Dangers of Biological control
15. About one million people on Earth 10 -000 years ago. (The Agricultural revolution). Worlds population crossed into 7 billion now - It is unlikely that we will double the 7 billion. We will hit 9 to 11 billion people.
Current Population/ 2100 projects of world population
Coal
Bt Corn
Risks of Bt Corn
16. Completely missing something acquired from food; usually protein or vitamin C
Selective cutting
Malnourishment/Kwashiorkor
Manmade nitrogen ertilizers
Community supported agriculture (CSA)
17. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Genetically Modified foods
Naturally occurring pesticides
Manure/compost
Costs and downsides of purifying malachite
18. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Manure/compost
Manmade nitrogen ertilizers
Open pit mine
Nitrate
19. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Integrated Pest Management (IPM)
Manmade nitrogen fertilizers
Types of forestry
Advantages & Disadvantages of surface mining
20. 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
Famine
Mechanization/tractors/combines
Industrial Agriculture/ Factory Farming
21. 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.
Minerals
Subsurface mining
Food Aid
Fertilizers
22. 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
Food security
Strip cutting
Clear-cutting
Manmade nitrogen fertilizers
23. A single piece of land gardened collectively by a group of people.
To purify copper from malachite
Community garden
Clear-cutting
Ore
24. Having not enough of something
Ecosystem-based Management
Undernourishment
Types of forestry
Clear-cutting
25. 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
Current Population/ 2100 projects of world population
Industrial Agriculture/ Factory Farming
Things people can do to avoid depleting minerals
26. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Monoculture
Strip Cutting
Pesticides
Tailings/ Gangue
27. Completely missing something
Artificial Organic compounds
Malnourishment
Maximum Sustainable Yield
Lesson from Food Inc
28. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Clear-cutting
Biological Control
Strip Cutting
Integrated Pest Management (IPM)
29. 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.
Why malachite was originally left behind as tailing from copper mines
Fertilizers
Surface Mining Control and Reclamation Act of 1977
Costs and downsides of purifying malachite
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
Ecosystem-based Management
Clear-cutting
Dangers of Biological control
Ecological services
31. 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
Pest management
Types of surface mining
Surface mining
Food Aid
32. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Strip mine
Lesson from Food Inc
Smelting
Surface mining
33. Worthless material that surrounds a wanted mineral in an ore deposit.
Impact of Mountain-Top Removal
Dangers of Biological control
Nitrate
Tailings/ Gangue
34. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Biological Control
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Famine
Advantages & Disadvantages of Subsurface mining
35. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Biological Control
Subsurface mining
Slash and Burn
Minerals
36. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
What we can do to make forestry more sustainable
Effect of Monsanto on soybean farming since 1994
Impact of Mountain-Top Removal
To purify copper from malachite
37. 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
Undernourishment/Marasmus
Dangers of Biological control
Malnourishment/Kwashiorkor
Community supported agriculture (CSA)
38. 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
Plowing
Monoculture
Biological control (alternative to pesticides)
Clear-cutting
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.
Subsurface mining
Overburden
Undernourishment
Ore
40. Clear cutting - Strip cutting - selective cutting
Types of forestry
Naturally occurring pesticides
Effect of Monsanto on soybean farming since 1994
Undernourishment/Marasmus
41. 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
Pest management
Clear cutting
Advantages & Disadvantages of Subsurface mining
Things people can do to avoid depleting minerals
42. Choosing valuable trees only - lots of reseeding - transportation is hard.
Nitrate
Selective cutting
Advantages & Disadvantages of surface mining
Food Aid
43. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Industrial Agriculture/ Factory Farming
Lesson from Food Inc
Costs and downsides of purifying malachite
Acid mine drainage
44. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Strip Cutting
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Ecological services
To purify copper from malachite
45. 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)
Industrial Agriculture/ Factory Farming
Advantages & Disadvantages of surface mining
Economic services
46. 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
Ecosystem-based Management
Mountain-Top Removal
Risks of Bt Corn
Types of surface mining
47. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Selective cutting
Strip mine
Risks of Bt Corn
Economic services
48. 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
Strip cutting
Effect of Monsanto on soybean farming since 1994
Adaptive Management
Surface mining
49. 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
Slag
Malnourishment/Kwashiorkor
Monoculture
Effect of Monsanto on soybean farming since 1994
50. - the turning and loosening of soil for the planting of crops
Surface Mining Control and Reclamation Act of 1977
Overburden
To purify copper from malachite
Plowing