Reference no: EM131683862

1. Compared to energy use practices hundreds of years ago, modern societies:
-rely less on fossil fuels
-rely more on biomass
-rely more on local sources
-rely more on highly concentrated sources

2. Which of the following correctly ranks lightbulb types from most to least efficient?
incandescent > compact fluorescent > LED
compact fluorescent > LED > incandescent
LED > compact fluorescent > incandescent
LED > incandescent > compact fluorescent

3. The concern about global warming is directly related to increased levels of what chemical in the atmosphere?
-mercury
-carbon dioxide
-sulphur dioxide
-chlorofluorocarbon

4. All of the following are arguments against oil drilling in the Arctic National Wildlife Refuge EXCEPT:
-using domestic oil is only a short-term fix to energy problems in the United States
-it will be financially impractical to restore lands developed for oil extraction
-there is no nearby infrastructure to facilitate oil drilling
-oil extraction in Prudhoe Bay has been declining

5. Which of the following statements about geothermal energy is false?
Geothermal energy is typically associated with volcanism.
Geothermal energy is used to heat greenhouses for the production of produce in Iceland.
Geothermal energy is used increasingly in the United States in areas that are geologically active.
The most common environmental hazard associated with this resource is increasing levels of atmospheric CO2.

6. Which of the following is the most effective way to reduce flood-related damage?
-creating exposed, barren hillsides by clear cutting woodlands
-constructing new buildings
-building expensive levees
-restricting development on flood plains

7. Which of the following statements about minerals in soil is true?
-There are only two mineral ions, potassium and magnesium, that are essential for plant growth.
-Negatively charged mineral ions are often washed out of the root zone.
-Clay minerals are usually positively charged.
-Clay particles may "hold" mineral ions in the soil and prevent their use by plants.

8. Surface mining is more common than subsurface mining because it:
-does not cause as much land disturbance.
-is less expensive
-does not cause any water pollution
-None of these statements is correct; subsurface mining is more common.

9. Which of the following is an example of a species that was threatened historically due to overexploitation?
-Guam Rail
-American Bison
-Nutria
-Brown Tree Snake

10. Cities make up what percentage of the world's total land area?
-5
-17
-3
-12