Environmental Science Questions
Explore questions in the Environmental Science category that you can ask Spark.E!
Public lands in the US are categorized for use based on the managing agency. In general US Forestry Service (USFS) lands are used for what purpose(s)?
Put the items below in correct sequence for using wind to generate electricity.1 - A generator converts mechanical energy into electrical energy.2 - Wind turns the wind turbine blade.3 - A gear box transfers mechanical energy to a generator.4 - Electricity is transferred to the grid.(1 point)A.1-2-3-4B.2-1-3-4C.2-3-1-4D.2-4-3-1E.4-2-3-1
When supplies of a particular energy type are finite, it is known as a what?a.renewable resourceb.potentially renewable resourcec.nonrenewable resourced.nondepletable resourcee.perpetual resource
The order of grades of coal from lowest energy content to highest energy content is what?a.anthracite, lignite, bituminous.b. anthracite, bituminous, lignite.c. lignite, anthracite, bituminous.d. bituminous, lignite, anthracite.e. lignite, bituminous, anthracite.
What is the general relationship between meat consumption and affluence?a.There is no apparent relationship between meat consumption and affluence.b.More affluent nations tend to consume more meat products.c.Less affluent nations tend to consume more meat because poultry is easy to raise.d.More affluent nations tend to be net exporters of meat products.e.Less affluent nations tend to consume less meat because meat is a trading commodity.
After many years of applying the selective pesticide provironex, a farmer notices that the applications seem less effective. This is likely due toa. The fact that provironex is fat soluble and has been bioaccumulatingb. Provironex is selective, so other pests are filling the niche from the exterminated onesc. Provironex is persistent, and the farmer should apply less for better resultsd. The target species has begun to evolve resistancee. Provironex is a wide spectrum pesticide that needs to be fine tuned for the target species
Use Figure 12-3. Which of the following fuel types produces the highest ratio of percent resulting CO2 emissions to percent consumption?
Marine fisheries are particularly susceptible to the tragedy of the commons becausea. Fish are r-Selectors that experience boom and bust cyclesb. Fish are highly migratory, so they don't belong to any one nationc. Pollution is highest in areas with high fish populationsd. International waters are governed by antiquated nautical lawe. Fishery collapse is viewed by many countries as a sign that they are managing populationsproperly
The best forest management techniques mimic natural processes. This is most likely to include what?
One example of the tragedy of the commons can occur when several farmers share the same pasture for feeding sheep. The root cause of this tragedy is that
Use Figure 11-2. In the figure, the global fish production line includes both wild-caught fish and aquaculture-raised fish. Which of the following statements about fish production is true? Read the figure to solve.
An impoverished person who misses a meal is less likely to be able to work for more money, and more likely, then, to miss another meal. This will lead to what?a. A positive feedback loop to remove that person from povertyb. A positive feedback loop resulting in WHO aid for that person and the surrounding villagec. A negative feedback loop to remove that person from povertyd. A positive feedback loop resulting in ultimate starvatione. A negative feedback loop resulting in ultimate starvation
According to the Environmental Defense Fund, which of the following fish are "best" choices for sustainability?I. wild Alaskan salmonII. Chilean sea bassIII. farmed rainbow trout
Use Figure 10-2. The U.S. has a total land area of about 980,000,000 hectares. Approximately how many hectares are used for cropland?
From an economic standpoint which forest harvesting technique is generally best?
A management system that includes prescribed burns will likely lead to what?I. large quantities of biomass accumulating on the forest floor.II. a decrease in the likelihood of uncontrolled natural fires.III. an increase in fire-dependent species.A. I onlyB. I and IIC. I and IIID. II and IIIE. I, II, and III
The type of site that is MOST likely to be a multiple-use land is aA. managed resource protected areaB. species management area.C. national monument.D. wilderness area.E. wildlife preserve.
You are looking at two different houses. House #1 would have a daily 5-mile commute to work, while house #2 would have a daily 20-mile commute. How much more CO2 would you produce annually if you buy house #2? (Hint: driving 1 mile produces 1.1 lb of CO2 and you work 240 days/year.)
A(n) _______ is best defined as one who considers the impacts on the whole ecosystem, both the living and non-living, when considering an action.
Diminishing population growth rates in poor countries can be partially attributed to ________.
