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Environmental Science B – Unit Test
#1: Introduction to Environmental
Systems Exam.
Where is over 95% of incoming ultraviolet radiation absorbed? a. the stratosphere b. the mesosphere c. the troposphere d. the thermosphere - Correct Ans: a. stratosphere Please select the word from the list that best fits the definition Creates clouds, snow, sleet, rain and hail __________. - Correct Ans: water cycle Which of the following is NOT an effect of El Niño? a. mudslides c. earthquakes b. droughts d. hurricanes - Correct Ans: c. earthquakes
Ozone located in the troposphere is _______. a. considered a pollutant b. beneficial to living organisms c. higher in concentration than ozone in the stratosphere d. all of the above - Correct Ans: a. considered a pollutant Natural disasters can have positive effects on an ecosystem. Please select the best answer from the choices provided T F - Correct Ans: True Which of the following theories concerning global climate change is the most widely accepted? a. Changes in the global climate will lead to an increase in extreme weather and flooding. b. Global climate is changing due to burning of fossil fuels and deforestation. c. Global climate change will happen rapidly. d. Extra carbon dioxide and global warming will be beneficial. - Correct Ans: b. Global climate is changing due to burning of fossil fuels and deforestation. Global warming is a theory accepted by a majority of scientists. Please select the best answer from the choices provided T
d. vandals set fire to flammable waste - Correct Ans: a. garbage decomposes and releases methane Which of the following predictions about global climate change is directly related to an increase in the burning of fossil fuels? a. increased extreme weather b. decreased food supply c. global warming d. falling sea levels - Correct Ans: c. global warming Which of the following groups of people would be the least affected by air pollution? a. people with asthma b. infants c. teenagers d. the elderly - Correct Ans: c. teenagers Air pollution only occurs as a result of human activity. Please select the best answer from the choices provided T F - Correct Ans: False
Which of the following would most likely utilize a particulate control device? a. a vacuum cleaner b. a factory smokestack c. a laundry dryer d. all of the above - Correct Ans: d. all of the above Rising sea levels are a possible global consequence to a change in local environments. Please select the best answer from the choices provided T F - Correct Ans: True Which of the following alternative energy technologies is most likely to be used to power a car? a. wind b. geothermal c. biofuel d. hydropower - Correct Ans: c. biofuel Most of the costs associated with using renewable resources are due to _______. a. overuse of resources
a. potential renewable resource b. potential nonrenewable resource c. actual renewable resource d. actual nonrenewable resource - Correct Ans: c. actual renewable resource Natural resources are not required for all energy producing technology. Please select the best answer from the choices provided T F - Correct Ans: False Which of the following is not a way that energy producing technologies can impact aquatic viability? a. waste products entering waterways b. disruption of water flow c. increased sedimentation d. filtration of pollutants - Correct Ans: d. filtration of pollutions Which of the following statements about biofuels is true? a. Biofuels are composed of 100% renewable materials. b.
Algae is the leading source of biofuels. c. Energy processing from corn biofuels is not energy efficient. d. Corn is the only source of biofuels. - Correct Ans: c. energy processing from corn biofuels is not energy efficient. The La Brea Tar Pits are _______. a. a valuable source of petroleum b. filled with tar made from mammals c. filled with asphalt d. a and b only - Correct Ans: c. filled with asphalt What is the main reason that people are hesitant to use nuclear energy? a. It produces radioactive waste. b. It uses large amounts of water. c. The ore used for nuclear energy must be mined. d. It is more damaging to natural habitats than the use of c - Correct Ans: a. it produces radioactive waste The small increase in global oil production coupled with an increased demand for those resources leads to _______.
Which of the following statements about energy resource availability is true? a. Nonrenewable energy sources will be completely used within 10 years. b. Nonrenewable energy sources are readily available in all countries. c. The exact amount of nonrenewable energy resources is not currently known. d. All of the above are true. - Correct Ans: c. the exact amount of nonrenewable energy resources is not currently known.
