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Questions and Answers
Which of the following is an example of renewable energy?
Which of the following is an example of renewable energy?
- Natural Gas
- Solar Energy (correct)
- Coal
- Oil
What type of energy utilizes wind to generate electricity?
What type of energy utilizes wind to generate electricity?
Wind Energy
What is a major advantage of using renewable energy?
What is a major advantage of using renewable energy?
- It reduces greenhouse gas emissions (correct)
- It is always available
- It is non-polluting
- It is cheaper than fossil fuels
What is biomass energy derived from?
What is biomass energy derived from?
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Dams are built to collect water for _____ generation.
Dams are built to collect water for _____ generation.
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Hydropower is considered a non-renewable energy source.
Hydropower is considered a non-renewable energy source.
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Study Notes
Overview of Energy Sources
- Energy is essential for powering homes, industries, and transportation systems.
- Classified into two main categories: renewable and non-renewable energy.
- Understanding energy sources aids in making informed and environmentally friendly choices.
Renewable Energy
- Derived from naturally replenishing sources that have minimal environmental impacts.
- Offers the potential to lower greenhouse gas emissions and combat climate change.
Solar Energy
- Utilizes sunlight to generate electricity through solar panels.
- Suitable for residential, commercial, and industrial use.
- Abundant and widely available, making it a leading renewable energy source.
Wind Energy
- Generated by wind turbines that convert wind's kinetic energy into electricity.
- Requires locations with high wind speeds, typically in coastal areas or open plains.
- Significant growth in this sector, contributing substantially to global electricity production.
Hydropower
- Harnesses energy from flowing or falling water to generate electricity.
- Involves constructing dams to collect water in reservoirs for controlled release.
- Supports a range of installations, from small systems to large dams, and is crucial for global renewable energy.
Biomass
- Sourced from organic materials, including wood, crop residues, and energy crops.
- Can be burned directly for heat or transformed into biogas or biofuels.
- Helps reduce landfill waste by utilizing organic waste, thus serving as a valuable renewable energy form.
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