ESE Quiz 5 & 6 All Answers Correct 2024

ESE Quiz 5 & 6 All Answers Correct 2024 A problem with nuclear power is that it currently... produces nuclear waste Which of the following would be described as a "renewable" energy source? Nuclear Fission, Nuclear Fusion, Natural Gas, Hydropower, Coal. hydropower Worldwide, most electricity comes from renewable sources. True or false? Petroleum is found in most rock types. True or false? false What percentage of U.S. primary energy use is from nuclear power plants? What is the biggest renewable energy source used in the U.S. electricity grid? What is a major problem with fossil fuel use? false less than 20% hydropower unsustainable because sources are limited At oil's current rate of use, we can use the estimate of the size of reserves to say that there are... 30 to 50 years of reserves left What does the term "peak oil" refer to? the time at which oil is extracted at the greatest rate What does it mean to have an "energy return" of between 0 and 1? expended less energy is returned than New light bulbs produce more light for the same amount of energy. According to the concept of "perverse incentives," this might result in... the same amount of energy required, as light use increases What might be a reason to expect solar photo-voltaic (PV) energy will become a larger part of the electric grid than power generated by the wind? PV has had a faster rate of technological improvement in the last few years On average, people want to use more energy than they do currently. We know this because... when light is cheaper to produce more is made "Water Flux" is another name for "Virtual Water". True or false? false The Green Revolution led to large increases in crop yields. True or false? Rain can replenish an aquifer. True or false? true true Today, millions of people have consumed food made from genetically modified plants. True or false? true World-wide, what is the biggest single use of water? agricultural use Which of the following is a major storage component of the hydrologic system? groundwater Which of the following describes a water flux in the hydrologic system? A flat lying water table, The precipitation of water over land,The existence of an aquifer in the subsurface, A stagnant lake in the mountains, The contamination of groundwater by salt leaching. the precipitation of water over land What is an important driver in the hydrologic cycle? sunlight Water use in the US (similar to most other developed economies) has...