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College Environmental Science Questions

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College :: Environmental Science by JeffreyG
How do we refer to organic materials which can store sunlight in the form of chemical energy?
  1. biosynthetics
  2. biomass
  3. bioresources
  4. biologics
College :: Environmental Science by JeffreyG
The thermochemical decomposition of organic material at elevated temperatures without the participation of oxygen.
  1. aerobic process
  2. anaerobic process
  3. bio-syntrolysis process
  4. pyrolysis process
College :: Environmental Science by greenlab
We know that temperature controls the rate of respiration and changes the amount of organic matter stored in soils. Based on your knowledge of respiration, would you expect to find more carbon stored in soil in a cool or warm climate? Why?
  1. Cool, because there is less sunlight available, which reduces the rate of photosynthesis
  2. Cool, because microbes in the soil are less active as evidenced through lower rates of respiration
  3. Warm, because microbes in the soil have higher rates of respiration, which releases more carbon into the soil
  4. Warm, because sunlight is readily available, which means plants increase their rate of photosynthesis, leading to more carbon produced
College :: Environmental Science by JeffreyG
There are two types of turbines used in the hydroelectric powerplants. They are named in honor of their inventors. They are:
  1. The Polsen and Francois turbines
  2. The Pelton and Francis turbines
  3. The Pelson and French turbines
  4. The Fromage and Price turbines
College :: Environmental Science by greenlab
Which country block will suffer the first and greatest effects of climate change even though their contribution to greenhouse gas emissions is one of the smallest?
  1. AOSIS (Island States)
  2. China
  3. Developing World
  4. EU (European Union)
  5. United States
College :: Environmental Science by JeffreyG
A flash steam plant where hydrothermal liquid is over 350 deg. F. In these systems most of steam is seperated and the brine and condensed fluid is injected back into the reservoir. This technology is generally employed in the following process.
  1. It flashes most of the liquid to steam, and is separated from the brine. The remaining liquid and condensed steam is injected back into the reservoir.
  2. It is used directly to drive the turbine, as the steam condenses back to a liquid it is injected back into the reservoir.
  3. It is passed through a heat exchanger in conjunction with a secondary fluid with a lower boiling point, the secondary fluid vaporizes to drive a turbine. The geothermal fluid is condensed and injected back into the reservoir.
College :: Environmental Science by JeffreyG
A binary cycle plant uses hot water at a lower temperature than that which supplies steam plants(100-300 deg.F), this technology is generally employed in the following process.
  1. It flashes most of the liquid to steam, and is separated from the brine. The remaining liquid and condensed steam is injected back into the reservoir.
  2. It is used directly to drive the turbine, as the steam condenses back to a liquid it is injected back into the reservoir.
  3. It is passed through a heat exchanger in conjunction with a secondary fluid with a lower boiling point, the secondary fluid vaporizes to drive a turbine. The geothermal fluid is condensed and injected back into the reservoir.
College :: Environmental Science by greenlab
Which of the following greenhouse gases is produced from fossil fuel combustion and deforestation?
  1. Methane
  2. Carbon Dioxide
  3. Nitrous Oxide
  4. CFCs
College :: Environmental Science by JeffreyG
The Geysers is the only dry steam field in the United States. It is located in the following state.
  1. Colorado
  2. Connecticut
  3. California
  4. Canada
College :: Environmental Science by greenlab
The carbon cycle designates that carbon may be stored in the atmosphere, land, and ocean. In which of the following would you NOT expect to find stored carbon.
  1. carbon dioxide
  2. plant biomass
  3. organic matter
  4. all of the above are carbon sources
College :: Environmental Science by JeffreyG
A dry steam plant is a geothermal powerplant in which steam , generated underground by geothermal heat, is a technology generally employed in the following process.
  1. It flashes most of the liquid to steam, and is separated from the brine. The remaining liquid and condensed steam is injected back into the reservoir.
  2. It is used directly to drive the turbine, as the steam condenses back to a liquid it is injected back into the reservoir.
  3. It is passed through a heat exchanger in conjunction with a secondary fluid with a lower boiling point, the secondary fluid vaporizes to drive a turbine. The geothermal fluid is condensed and injected back into the reservoir.
College :: Environmental Science by greenlab
A cap and trade system of exchangeable carbon credits will provide incentive for which UN block to receive needed assistance?
  1. AOSIS (Island States)
  2. China
  3. Developing World
  4. EU (European Union)
  5. United States
College :: Environmental Science by greenlab
The difference between carbon assimilation and carbon emission is known as what?
  1. Carbon Analysis
  2. Carbon Source
  3. DBH
  4. Net Primary Productivity
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