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Questions and Answers
What is the main reason solar power systems are considered useful renewable energy sources?
What is the main reason solar power systems are considered useful renewable energy sources?
- High operational and maintenance costs, but pollution free power generation
- Low operational and maintenance costs, and pollution free power generation (correct)
- Low operational and maintenance costs, but pollution generating power
- High operational and maintenance costs, and pollution free power generation
What is the role of the sun in wind energy generation?
What is the role of the sun in wind energy generation?
- The wind would not blow without the sun (correct)
- The wind is a result of the Earth's magnetic field
- The wind is caused by the movement of tectonic plates
- The wind blows due to the rotation of the Earth
How does the sun contribute to the existence of biofuels?
How does the sun contribute to the existence of biofuels?
- Biofuels are a result of chemical reactions in the absence of sunlight
- No biofuels can exist without the sun (correct)
- Biofuels are produced from non-renewable energy sources
- Biofuels are independent of solar energy
What makes biomass a renewable energy source?
What makes biomass a renewable energy source?
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How does the sun contribute to the existence of fossil fuels?
How does the sun contribute to the existence of fossil fuels?
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Study Notes
Solar Power Systems
- Solar power systems are considered useful renewable energy sources because they harness energy from the sun, a abundant and perpetual resource.
Wind Energy Generation
- The sun plays a crucial role in wind energy generation by heating the Earth's surface unevenly, causing air to rise and create wind patterns.
Biofuels
- The sun contributes to the existence of biofuels by providing energy for plants to grow through photosynthesis, which are then converted into biofuels.
Biomass
- Biomass is a renewable energy source because it is derived from organic matter, such as plants and waste, which can be replenished quickly through natural processes.
Fossil Fuels
- The sun does not contribute to the existence of fossil fuels, as they are formed from the remains of ancient plants and animals that have been buried for millions of years, undergoing geological processes.
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