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
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. Could be melting of the polar ice caps - destruction of coral reefs - severe winters and summers - excessive rain fall in some areas and not enough in others - drought - etc.
Double HDEP liners
Mass transit
Ecosystems
Future impacts of global warming
2. 19% - 20% increasing when compared to death rate
Primary succession
Double HDEP liners
Birth rate
Subsidence sinkholes
3. A process by which radioactive energy leaving a planetary surface is absorbed by some atmospheric gasses called greenhouse gasses. They transfer this energy to other components of the atmosphere and it is re-radiated in all directions - including bac
Herbivores
Greenhouse effect
Cultural Eutrophication
Mass transit
4. Obtain nutrients by eating dead and rotten things. Ex- earthworms
Subsidence sinkholes
Pretreatment
Oil (petroleum)
Detrivores
5. A method of farming used when a slope is too steep or too long - or when the other types of farming may not prevent soil erosion. ------ farming alternates strips of closely sown crops such as hay - wheat - or other small grains with strips of row cr
Strip farming
EPA
Secondary standards
Secondary succession
6. The ocean water pollutant that is the most damaging
Birth rate
Oil (petroleum)
Secondary succession
Anaerobic
7. Occurs when human activity introduces increased amounts of plant nutrients - which speed up plant growth and eventually choke the lake of all its animal life.
Carbon dioxide
Primary treatment
Secondary standards
Cultural Eutrophication
8. The main cause and effects of infant mortality in developing nations
Taiga
Greenhouse effect
Poverty
Carnivores
9. Sometimes defined as anything more than primary and secondary treatment. Treated water is sometimes disinfected chemically or physically (for example by lagoons and microfiltration) prior to discharge into a water source.
Tertiary treatment
Anaerobic
Decrease in death and birth rates
Primary succession
10. A nuclear accident that occurred on April 26 - 1986 at the Chernobyl Nuclear Power Plant in Ukraine (then the Ukrainian Soviet Socialist Republic - part of the Soviet Union). It is considered the worst nuclear power plant accident in history and is t
Chernobyl disaster
Anaerobic
Clean air act
USA
11. The practice of plowing across a slope following its elevation contour lines. The rows formed slows water run-off during rainstorms to prevent soil erosion and allows the water time to settle into the soil. In -------- plowing - the ruts made by the
Secondary standards
Birth rate
Contour farming
Recycle
12. Which region of the U.S. is most affected by acid rain?
Carbon monoxide
Ecosystems
Aerobic
Northeast
13. Water pollution affecting a water body from different sources - such as polluted runoff from agricultural areas draining into a ricer - or wind-borne debris blowing out to sea. NPS may derive from many different sources with no specific solution to r
Decrease in death and birth rates
Ecology
Nonpoint source pollution
Primary treatment
14. Animals that are adapted to eat plants
Northeast
Herbivores
Primary succession
Anaerobic
15. Current world population growth
Antarctica's Ice Cap
Greenhouse effect
Recycle
1.14%
16. As the CO2 gasses continue to rise it is causing a mass heating effect which is melting ------- ----- ----. At the current rate of global warming the entire --- --- will be melted in the next few decades
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
17. Removes dissolved and suspended biological matter. Typically performed by indigenous - water-borne micro-organisms in a managed habitat. May require a separation process to remove the micro-organisms from the treated water prior to discharge or terti
Secondary treatment
Subsidence sinkholes
Carnivores
Primary standards
18. A colorless - odorless - non-flammable gas and is the most prominent greenhouse gas in Earth's atmosphere. It is recycled through the atmosphere by the process of photosynthesis - which makes human life possible. Is one of the greenhouse gasses. The
Carbon dioxide
Birth rate
Subsidence sinkholes
1.14%
19. A vehicle that transports more than a few people. Ex- busses - trains - subways - etc. NOT your van/car
Herbivores
Mass transit
Primary standards
Secondary treatment
20. Is dealt with the secondary treatment phase when it becomes activated -----. It is then treated for disposal using anaerobic - aerobic or other means.
Primary succession
Sludge
Carbon monoxide
Recycle
21. Refers to the combined physical and biological components of an environment.
Primary succession
Fourier
Mass transit
Ecosystems
22. Set limits to protect public health - including the health of 'sensitive' populations such as asthmatics - children - and the elderly
Sludge
Primary standards
Carbon monoxide
Tertiary treatment
23. Form gradually where the overburden is thin. The dissolving limestone is replaced by sand granules the t fall into the depression and fill the holes. They appear as a concave depression in the ground. ------ ------ are usually only a few feet in diam
Natural eutrophication
Pretreatment
Recycle
Subsidence sinkholes
24. Depending on free oxygen or air
Western Asia
Aerobic
Anaerobic
EPA
25. Also known as the boreal forest - is a biome characterized by coniferous forests. Long and cold winters are the dominant feature of the ----- biome. The temperature in a ----- biome can range from -76 to 104 degrees.
Future impacts of global warming
Taiga
Detrivores
Ecosystems
26. A recent warming of the Earth's surface and lower atmosphere - it is believed to be the result of a strengthening of the greenhouse effect mostly due to human produced increases in atmospheric greenhouse gasses.
Tertiary treatment
Carbon monoxide
EPA
Global warming
27. A federal agency charged with protecting human health and the environment by writing and enforcing regulations based on laws passed by congress
Double HDEP liners
Primary treatment
Decrease in death and birth rates
EPA
28. Animals that eat mainly or only meat
Carnivores
Ecology
Primary standards
Decrease in death and birth rates
29. Are climatically and geographically defined as similar climatic conditions on the earth - such as communities of plants - animals - and soil organisms and are often referred to as ecosystems.
Biomes
Western Asia
Antarctica's Ice Cap
Herbivores
30. A natural process that occurs in an aging lake or pond as that body of water gradually builds up its concentration of plant nutrients
8.37%
Screening
Natural eutrophication
Ecosystems
31. Feature found in 'state of the art' landfills
Strip farming
Primary standards
Double HDEP liners
Phosphorous
32. Wastewater treatment. Screening and grit removal
Phosphorous
Global warming
Pretreatment
Natural eutrophication
33. Consists of temporarily holding the sewage in a quiescent basin where heavy solids can settle to the bottom while oil - grease and lighter solids float to the surface. The settled and floating materials are removed and the remaining liquid may be dis
USA
Greenhouse effect
Recycle
Primary treatment
34. Often regarded as the main culprit in cases of eutrophication in lakes subjected to point source pollution from sewage. The concentration of algae and the trophic state of lakes correspond well to phosphorous levels in water. Humankind has increased
Antarctica's Ice Cap
Phosphorous
8.37%
USA
35. Living or active in the absence of free oxygen
Primary succession
Tertiary treatment
Anaerobic
Ecosystems
36. Set limits to protect public welfare - including protection against decreased visibility - damage to animals - crops - vegetation - and buildings
Primary treatment
Oil (petroleum)
Poverty
Secondary standards
37. What country is the biggest producer of Hazardous waste?
Herbivores
USA
Secondary succession
Screening
38. Death rate
8.37%
Biomes
Primary succession
Herbivores
39. The primary suggested method of disposing municipal solid waste as per EPA guidelines after preventing waste in the first place.
Screening
Recycle
Antarctica's Ice Cap
USA
40. The person who started the phrase: 'greenhouse effect' If this person isn't an option choose Pouillet
Omnivore
Primary standards
Fourier
Oil (petroleum)
41. The scientific study of the distributions - abundance - share affects - and relations of organisms and their interactions with each other in a common environment.
Temperature and precipitation
Ecology
Secondary treatment
Screening
42. Requires the EPA to set national ambient air quality standards for pollutants considered harmful to public health and the environment.
Detrivores
Clean air act
EPA
Western Asia
43. A part of the pre-treatment phase of wastewater treatment. ----- is when influent sewage water is strained to remove all large objects carried in the sewage system.
Ecology
EPA
Antarctica's Ice Cap
Screening
44. Which global region's population is increasing more than the others? (if not there - pick Africa)
EPA
Western Asia
Greenhouse effect
Carbon monoxide
45. Two main factors that influence a region's climate
Mass transit
Carbon dioxide
Carnivores
Temperature and precipitation
46. The effect industrialization initially has on birth and death rates
Global warming
Secondary treatment
Decrease in death and birth rates
Contour farming
47. Begins in areas where no soil is initially present
Primary succession
1.14%
Antarctica's Ice Cap
Primary treatment
48. A very week direct greenhouse gas but has important indirect effects on global warming. Reacts with hydroxyl (OH) radicals in the atmosphere - reducing their abundance. As OH radicals help to reuse the lifetimes of strong greenhouse gasses - like met
Fourier
Contour farming
Carbon monoxide
Cultural Eutrophication
49. A species that eats both plants and animals as their primary food source. ex- pigs
Secondary standards
Poverty
Clean air act
Omnivore
50. Begins in areas where the soil is already present
8.37%
Temperature and precipitation
Secondary succession
Secondary treatment