Connect with LearnSmart for Krauskopf: The Physical Universe, 16e
16th Edition
ISBN: 9781259663895
Author: KRAUSKOPF, Konrad B.
Publisher: Mcgraw-hill Higher Education (us)
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Textbook Question
Chapter 4, Problem 31MC
In the relatively near future, the technology most able to replace fossil fuels on a large scale is
- a. nuclear
- b. wind
- c. solar
- d. biofuels
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Students have asked these similar questions
If fossil fuels,such as coal,are still forming today,why are they considered nonrenewable resources?
A. We are depleting fossil fuels much faster than they form
B. Fossil fuels are broken down by processes faster than they form
C. The fossil fuels being formed today are deep under the ocean, where they cannot be reached
D. The only fossil fuels being produced are from methane, which we do not have the technology to use yet.
23.) Geothermal energy
a. depends on the heat of the Earth's core
b. is not often used because it is impossible to keep air polluting sulfur compounds from being released.
c. can be used to run power plants almost anywhere on earth
The energy source that could potentially last the longest is
A. Coal
B. Oil
C. Natural Gas
D. Nuclear
Please explain if you can.
Chapter 4 Solutions
Connect with LearnSmart for Krauskopf: The Physical Universe, 16e
Ch. 4 - In 2100 the number of people in the world is...Ch. 4 - Arrange these sources in the order of the energy...Ch. 4 - Of the following, the energy source likely to be...Ch. 4 - Prob. 4MCCh. 4 - Prob. 5MCCh. 4 - Prob. 6MCCh. 4 - Energy not ultimately derived from solar radiation...Ch. 4 - If present trends continue, an optimistic average...Ch. 4 - Prob. 9MCCh. 4 - Prob. 10MC
Ch. 4 - The radiation from an object at room temperature...Ch. 4 - The earths atmosphere is primarily heated by a....Ch. 4 - Prob. 13MCCh. 4 - Prob. 14MCCh. 4 - Prob. 15MCCh. 4 - Of the following fuels, the one that gives off the...Ch. 4 - Of the following fuels, the one that gives off the...Ch. 4 - Which of the following is not a fossil fuel? a....Ch. 4 - Prob. 19MCCh. 4 - The proportion of oil used by the United States...Ch. 4 - Most oil today is used for a. transportation b....Ch. 4 - Prob. 22MCCh. 4 - Prob. 23MCCh. 4 - The least polluting of the following fuels is a....Ch. 4 - Prob. 25MCCh. 4 - Prob. 26MCCh. 4 - The worst emitters of mercury, which damages the...Ch. 4 - Prob. 28MCCh. 4 - Of the following countries, the one that obtains...Ch. 4 - The proportion of electricity generated in the...Ch. 4 - In the relatively near future, the technology most...Ch. 4 - Prob. 32MCCh. 4 - Bright sunlight might deliver energy to an area of...Ch. 4 - The output of which of the following renewable...Ch. 4 - Prob. 35MCCh. 4 - Of the following technologies, the one that may...Ch. 4 - Of the following technologies, the one farthest...Ch. 4 - Biofuels based on which of the following seem to...Ch. 4 - Of the following, the strategy for coping with...Ch. 4 - Prob. 40MCCh. 4 - Population and Prosperity 1. What are the three...Ch. 4 - Energy Supply and Consumption 2. Even if the...Ch. 4 - The average rate of energy consumption per person...Ch. 4 - List the fossil fuels in the order in which they...Ch. 4 - Explain how sunlight is responsible for these...Ch. 4 - What energy sources cannot be traced to sunlight...Ch. 4 - Approximately what proportion of the worlds...Ch. 4 - (a) Give two reasons why global warming is causing...Ch. 4 - Once the polar ice sheets have melted beyond a...Ch. 4 - The oceans as well as the atmosphere are growing...Ch. 4 - When was the last time world temperatures were as...Ch. 4 - Every body of matter radiates light. What is...Ch. 4 - What is the nature of the greenhouse effect in the...Ch. 4 - Prob. 14ECh. 4 - Prob. 15ECh. 4 - (a) Why is deforestation so important in global...Ch. 4 - Prob. 17ECh. 4 - Prob. 18ECh. 4 - Most of the worlds oil is used as a fuel for what...Ch. 4 - Prob. 20ECh. 4 - Prob. 21ECh. 4 - What is the chief reason why the average fuel...Ch. 4 - Prob. 23ECh. 4 - Why is natural gas rarely used as a vehicle fuel?Ch. 4 - What is methane hydrate? Where is it found and why...Ch. 4 - Prob. 26ECh. 4 - Prob. 27ECh. 4 - Prob. 28ECh. 4 - Prob. 29ECh. 4 - Prob. 30ECh. 4 - What is the basic difference between nuclear...Ch. 4 - What role does uranium play in nuclear energy...Ch. 4 - How does a nuclear power plant produce...Ch. 4 - Explain why no nuclear power plants were planned...Ch. 4 - Prob. 35ECh. 4 - Prob. 36ECh. 4 - Prob. 37ECh. 4 - Prob. 38ECh. 4 - Prob. 39ECh. 4 - Give several reasons why fossil-fuel energy is...Ch. 4 - Prob. 41ECh. 4 - Prob. 42ECh. 4 - Prob. 43ECh. 4 - Prob. 44ECh. 4 - (a) What major advantage does geothermal energy...Ch. 4 - Prob. 46ECh. 4 - Prob. 47ECh. 4 - What are the advantages and disadvantages of...Ch. 4 - Prob. 49ECh. 4 - Prob. 50ECh. 4 - Prob. 51ECh. 4 - A major obstacle to a worldwide agreement on...Ch. 4 - Explain the cap-and-trade system for controlling...
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- 14. sources are those that are depleted by consumption, over human time scales. Examples are fossil fuel and nuclear power.arrow_forward18.) Which of the following provides the highest amount of energy generated in the U.S. each year? a. coal b. petroleum c. natural gasarrow_forwardWhen did the world know fusion existed? Select one: A. 1920 B.2000 C.1980 D.1960arrow_forward
- Which one of the following renewable sources requires the greatest amount of land per MW of capacity? a. Solar. b. Wind. c . Biofuels. d. Geothermal.arrow_forward2. What are nuclear fusion and fission processes? Explain the release of energy in these processes.arrow_forwardThe helium fusion process results in the production of A. hydrogen. В. охудen. C. carbon. D.nitrogen. E. iron.arrow_forward
- Which of the following statements is true (only one)? a) Electricity use has fallen since 1975. b) Nuclear power use has increased since 1979. c) Oil use has increased more than any other fuel since 1940. d) We reached the point last year where we imported no oil. 2. Which of the following is a non-renewable resource? a) uranium b) wind c) solar d) hydro 3. Which of the following is a renewable resource? a) oil b) coal c) wind d) uranium 4. The most significant aspect of world energy consumption over the last 50 years has been the a) growth of nuclear power b) increase in our fossil fuel reserves c) emphasis on energy conservation d) expanding use of oil. 5. If you started with $100 in the bank and you had $300 after letting it sit there for 5 years, what would be then annual interest rate you had received? ____________ 6. If the growth rate of the number of solar collectors is 7% per year, in how many years will the number of solar collectors go from 1000 to 4000?…arrow_forwardDirections: Read each statement carefully and fill in the blank(s) with the correct answers. Coal Electrical Steam Power plant Turbine 1. Fuels such as energy. Activity 2 Natural gas Tidal power plant Cooling tower 2 Homes Rotate and Uranium Petroleum Generator Solar energy Geothermal energy are burnt to produce 2. Heat energy makes the water boil to produce 3. Steam drives the making it to 4. The spinning turbine transforms the energy of water, steam, or wind into mechanical energy that will make the spin. 5. The electricity travels through the national grid for use in our 6. is used to reduce the heat of the water. 7. is an industrial facility that generates electricity from primary energy. 8. Solar cells collect the and convert it directly into electrical energy. 9. The nuclear fuel used in the nuclear reactor is 10. In moving water from the tide turns the turbines.arrow_forward1. What is fusion? a. What is it used for? b. What is the beginning atoms? c. What is the end result (3arrow_forward
- Which of the following is a correct statement about nuclear energy? a. The energy released from nuclear reaction is being used to produce steam. b. Scientists have concluded that this could be a permanent solution to our energy problems. c. Nuclear energy does not need a large amount of water to operate because water is being recycled back to the nuclear reactor. d. All of the above The following are examples of point source of water pollution EXCEPT a. automobile from cars b. drainage c. discharge pipes d. sewage from treatment plantsarrow_forwardCompare and contrast fossil fuels and the Sun as direct sources of energy.arrow_forward(a) Use of hydrogen fusion to supply energy is a dream that may be realized in the next century. Fusion would be a relatively clean and almost limitless supply of energy, as can be seen from Table 7.1. To illustrate this, calculate how many years the present energy needs of the world could be supplied by one millionth of the oceans' hydrogen fusion energy. (b) How does this time compare with historically significant events, such as the duration of stable economic systems?arrow_forward
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