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Questions and Answers
What are the most common sources of renewable energy?
What are the most common sources of renewable energy?
- Nuclear, hydro, and geothermal
- Coal, oil, and natural gas
- Solar, wind, and nuclear
- Solar, wind, hydro, geothermal, and biomass (correct)
What percentage of energy consumed by humans is derived from fossil fuels?
What percentage of energy consumed by humans is derived from fossil fuels?
- 80% (correct)
- 70%
- 50%
- 60%
What is the impact of renewable energy on greenhouse gas emissions?
What is the impact of renewable energy on greenhouse gas emissions?
- It decreases greenhouse gas emissions (correct)
- It has no effect on greenhouse gas emissions
- It increases greenhouse gas emissions
- It fluctuates greenhouse gas emissions
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Study Notes
- Renewable energy comes from sources that naturally replenish themselves
- The most common sources are solar, wind, hydro, geothermal, and biomass
- Over 80% of energy consumed by humans is derived from fossil fuels
- Renewable energy is the fastest growing source of energy in the world
- It creates no direct greenhouse gas emissions
- Renewable energy can decrease pollution and reduce threats to health
- Renewable energy sources are reliable and will never run out
- Building wind farms and dams can disrupt wildlife and lead to ecological destruction
- Solar and wind energy are intermittent and require costly batteries for storage
- Advances in technology make renewable energy more accessible, affordable, and efficient
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