3. Geothermal energy from the Earth's core is powered by which of the following energy sources (in combination with the long-term decay of radioactive elements, like uranium-238)? A. residual heat from the impact of a Mars-sized planet about 4.5 billion years ago B. electrical energy from photovoltaic cells C. tidal power from the moon's gravity D. hydroelectric power from dams E. solar power from sunlight

3. Geothermal energy from the Earth's core is powered by which of the following energy sources (in combination with the long-term decay of radioactive elements, like uranium-238)? A. residual heat from the impact of a Mars-sized planet about 4.5 billion years ago B. electrical energy from photovoltaic cells C. tidal power from the moon's gravity D. hydroelectric power from dams E. solar power from sunlight

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter51: Ecology And The Biosphere

Section: Chapter Questions

Problem 6TYK: The major source of nutrients in the headwaters of a small stream is form: a. dead leaves and other...

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4. Which of the following "traditional" U.S. energy resources is not derived from fossil fuels? A. natural gas В. сoal C. kerosene D. oil E. uranium
5. Solar power is a versatile energy source – it can be used for all of the following processes except: A. photovoltaic cells, which use sunlight to excite electrons and generate an electric current B. visible light to provide energy for photosynthesis in plants C. focusing of the sun's rays on steam turbines to produce electricity indirectly D. geothermal power from the Earth's core E. direct heat from sunlight, to warm homes through the windows
1. Of all of the fuels used by the United States to generate energy by combustion, over the past 200 years, which one is considered to be a renewable resource (not derived from fossil fuels)? A. natural gas (from underground gas deposits) B. kerosene (from petroleum) C. coal (from coal mines) D. oil (from petroleum) E. wood (from trees)
1. Which of the following alternative energy sources (not using fossil fuels) does not depend on the energy from sunlight (either directly or indirectly)? A. hydroelectric power (like the Hoover Dam) B. solar power (like photovoltaic cells) C. wind power (like windmills) D. nuclear power (like plutonium) E. biofuels from photosynthesis (like ethanol)
The major source of nutrients in the headwaters of a small stream is form: a. dead leaves and other organic matter from adjacent land. b. photosynthesis by phytoplankton. c. photosynthesis by floating aquatic plants. d. the activity of chemoautotrophic bacteria. e. minerals from the underlying bedrock.
1. Which of the following is NOT a possible disadvantage of using biomass as a form of energy? o low photosynthetic efficiencyo low potential supplyo soil erosiono possibly nonrenewable2. A(n) ___ absorbs and stores heat from the sun directly within a structure o active solar heating systemo passive solar heating systemo active nuclear energyo passive nuclear energy3. The__ is the name for a system that produces two useful forms of energy from one o regenerationo post-generationo degenerationo cogeneration4. If nuclear fusion reactors could be built successfully, which of the following would NOT be one of their advantages? o little risk from terroristo lower levels of radioactive wasteo low cost of operationso no carbon dioxide emissions5. Which form of power has more advantages and fewer disadvantages than any other energy source?o fuel cell powero hydroelectric powero solar powero wind power6. Which of the following is a by-product of burning hydrogen, taken from water, as a fuel?o…
5. Which of the following renewable sources of energy is based on the forces of gravity in celestial objects (like the sun and the moon), and not on the energy present in sunlight? A. ocean thermal energy conversion B. solar power C. tidal power D. wind power E. hydroelectric dams
26. Which of the following alternative energy sources (not using fossil fuels) does not depend on the energy from sunlight (either directly or indirectly)? A. photovoltaic power from solar cells B. wind power C. hydroelectric power from dams D. tidal power
Renewable energy approaches include all of the following excepta. fracking.b. solar panels.c. wind farms.d. cellulose fermentation
26. Which of the following alternative energy sources (not using fossil fuels) does not depend on the energy from sunlight (either directly or indirectly)? A. photovoltaic power from solar cells B. wind power C. hydroelectric power from dams D. tidal power E. biofuels from photosynthesis
How does the combustion of fossil fuels influence our planet? Be sure to explain how the following are directly related to the combustion of fossil fuels: acid deposition, sea level rise, global climate change, greenhouse gasses and one other event of your choosing.
Which of the following statement is true about fossil fuels? A. Lignite is the highest-grade coal in fossil fuel B. Fossil fuels are presently the world’s primary energy source. C. Fossil fuels are formed in an oxygen-rich environment D. Low pressures and temperature facilitate the formation of fossil fuel