SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
DSST Environmental Science: Land Use
Start Test
Study First
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. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Famine
Adaptive Management
Pesticides
Strip mine
2. Not enough of some vitamin/mineral/essential thing in food
Maximum Sustainable Yield
Undernourishment/Marasmus
Artificial Organic compounds
What we can do to make forestry more sustainable
3. 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.
Types of surface mining
Effect of Monsanto on soybean farming since 1994
Ore
Subsurface mining
4. -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
Overburden
Industrial Agriculture/ Factory Farming
Artificial Organic compounds
Pest management
5. - the turning and loosening of soil for the planting of crops
Why malachite was originally left behind as tailing from copper mines
Plowing
Naturally occurring pesticides
Strip mine
6. Choosing valuable trees only - lots of reseeding - transportation is hard.
Coal
How corn yield has changed in the United States since the 1920s
Selective cutting
Nitrate
7. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Types of surface mining
Manmade nitrogen fertilizers
Ecological services
Bt Corn
8. 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
Maximum Sustainable Yield
Minerals
Fertilizers
9. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Lesson from Food Inc
Advantages & Disadvantages of Subsurface mining
Famine
Agricultural revolution and technology
10. 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
Undernourishment/Marasmus
Fertilizers
Industrial Agriculture/ Factory Farming
Coal
11. The uniform planting of a single crop
Ore
Strip cutting
Biological Control
Monoculture
12. A single piece of land gardened collectively by a group of people.
Clear-cutting
Ecological services
Community garden
Famine
13. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Bt Corn
Sustainable Forestry
Strip cutting
Biological Control
14. 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
Open pit mine
Risks of Bt Corn
Overburden
Surface Mining Control and Reclamation Act of 1977
15. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Manmade nitrogen fertilizers
Slag
Nitrate
Monoculture
16. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Strip mine
Things people can do to avoid depleting minerals
Strip Cutting
17. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Integrated Pest Management (IPM)
To purify copper from malachite
Adaptive Management
18. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
How corn yield has changed in the United States since the 1920s
Industrial Agriculture/ Factory Farming
Food security
Clear cutting
19. Technology was not able to profitably remove the copper from the malachite
Biological control (alternative to pesticides)
Economic services
Mountain-Top Removal
Why malachite was originally left behind as tailing from copper mines
20. The surface soil that must be moved away to get at coal seams and mineral deposits
Community garden
Overburden
Open pit mine
Biological Control
21. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Genetically Modified foods
Coal
How corn yield has changed in the United States since the 1920s
Agricultural revolution and technology
22. Genetically engineered using recombinant DNA
Acid mine drainage
Why malachite was originally left behind as tailing from copper mines
Genetically modified food
Integrated Pest Management (IPM)
23. Having not enough of something
Advantages & Disadvantages of surface mining
Tailings/ Gangue
Undernourishment
Strip mine
24. 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
Genetically Modified foods
Coal
Undernourishment/Marasmus
Pesticides
25. 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
Strip Cutting
Impact of Mountain-Top Removal
Acid mine drainage
Pest management
26. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Advantages & Disadvantages of Subsurface mining
Minerals
Surface Mining Control and Reclamation Act of 1977
Naturally occurring pesticides
27. 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
Overburden
Fertilizers
Malnourishment/Kwashiorkor
28. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Acid mine drainage
Types of forestry
What we can do to make forestry more sustainable
Open pit mine
29. 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
Famine
Community supported agriculture (CSA)
Undernourishment/Marasmus
What we can do to make forestry more sustainable
30. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Biological control (alternative to pesticides)
Food security
Clear cutting
Malnourishment
31. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Manmade nitrogen ertilizers
Economic services
Advantages & Disadvantages of Subsurface mining
Coal
32. 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
Selective Cutting
Industrial Agriculture/ Factory Farming
Economic services
Biological Control
33. Completely missing something acquired from food; usually protein or vitamin C
Plowing
Manure/compost
Pest management
Malnourishment/Kwashiorkor
34. 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;
Selective Cutting
Slag
Impact of Mountain-Top Removal
Advantages & Disadvantages of surface mining
35. 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.
Undernourishment/Marasmus
Malnourishment/Kwashiorkor
Strip Cutting
Current Population/ 2100 projects of world population
36. 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
Tailings/ Gangue
Undernourishment
37. 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
To purify copper from malachite
Biological control (alternative to pesticides)
Coal
Pesticides
38. 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
Community supported agriculture (CSA)
Strip cutting
Coal
Mechanization/tractors/combines
39. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Smelting
Naturally occurring pesticides
Undernourishment/Marasmus
Economic services
40. 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
Pest management
Things people can do to avoid depleting minerals
Why malachite was originally left behind as tailing from copper mines
Industrial Agriculture/ Factory Farming
41. Worthless material that surrounds a wanted mineral in an ore deposit.
Nitrate
Industrial Agriculture/ Factory Farming
Strip mine
Tailings/ Gangue
42. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Effect of Monsanto on soybean farming since 1994
Manure/compost
What we can do to make forestry more sustainable
Surface mining
43. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Things people can do to avoid depleting minerals
Malnourishment/Kwashiorkor
Minerals
Surface mining
44. 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
Surface Mining Control and Reclamation Act of 1977
Pest management
Naturally occurring pesticides
Clear-cutting
45. 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
Impact of Mountain-Top Removal
Advantages & Disadvantages of surface mining
Manmade nitrogen fertilizers
Biological Control
46. 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.
Famine
Sustainable Forestry
Slag
Nitrate
47. 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
Strip Cutting
Why malachite was originally left behind as tailing from copper mines
Integrated Pest Management (IPM)
48. 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.
Malnourishment
Ore
Selective cutting
Community supported agriculture (CSA)
49. 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
Famine
Clear-cutting
How corn yield has changed in the United States since the 1920s
50. Organic macromolecules hardest to provide during a famine
Costs and downsides of purifying malachite
Things people can do to avoid depleting minerals
Monoculture
Protein (usually)