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- What is the source of energy that is sustainable for unlimited human use, such as wind energy, geothermal energy, hydropower, solar energy, and biomass energy?
Answer: Renewable Energy Source
- What is the energy sources, such as fossil fuels and nuclear energy that cannot be replenished for use?
Answer: Nonrenewable Energy Source
- What is the fossil fuel that is mostly used for electricity production and is made from dead, prehistoric plant life that died and sank to the bottom of swamps or oceans?
Answer: Coal
- What is the fossil fuel that is the primary source of energy for transportation and is formed from dead diatoms that sank to the bottom of the sea and was covered by layers of sediment?
Answer: Petroleum
- What is the fossil fuel that is made mostly of methane and was formed when prehistoric plants and animals died and were covered by layers of sediment and rock?
Answer: Natural Gas
- What is the renewable source of energy that comes from the sun’s light energy?
Answer: Solar Energy
- What is the hardest form of coal that has the most carbon atoms and produces the most energy?
Answer: Anthracite
- What is the softest form of coal that has the least amount of carbon atoms and produces the least amount of energy?
Answer: Lignite
- What is the type of country that uses the most fossil fuel energy because of its high standard of living?
Answer: Developed Country
- What is the type of country that does not use a great deal of energy and has a lower standard of living?
Answer: Developing Country
- What is added to natural gas to give it a rotten egg smell so that leaks can be detected more easily?
Answer: Mercaptan
- What is the mid grade form of coal?
Answer: Bituminous
- What is layers of sedimentary rock where natural gas is located or trapped?
Answer: Shale
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