Energy

What percentage of the world's total primary energy supply was made up of renewable energy sources in 2020?

• 25.0%

• 10.5%

• 13.9%

• 20.2%

Which of the following is NOT considered a renewable energy source?

• Biomass

• Natural gas

• Wind energy

• Solar energy

What is the primary driver of future growth in the energy sector according to the text?

• Coal

• Renewable energy

• Natural gas

• Conventional oil

Which renewable energy source is responsible for approximately 70% of all renewable energy in the world?

• Wind energy

• Geothermal energy

• Hydropower

• Solar energy

What is the main environmental benefit of using renewable energy sources?

• They are cheaper than fossil fuels.

• They can be used for transportation.

• They produce no greenhouse gases.

• They are available everywhere.

How does biomass energy contribute to the carbon cycle?

• It releases carbon into the atmosphere.

• It sequesters carbon in the soil.

• It transforms carbon into fossil fuels.

• It prevents carbon from being absorbed.

What is a significant challenge in the development of geothermal energy?

• Public opposition

• High initial costs

• Technological limitations

• Limited geographical availability

Which of the following statements best describes the role of renewable energy in sustainable development?

• It has no impact on economic growth.

• It is only beneficial for developed countries.

• It is essential for long-term energy security.

• It is a temporary solution to energy needs.

What is the expected percentage of the world's electricity generated from renewable sources by 2050 according to IRENA?

• 100%

• 90%

• 50%

• 70%

Which renewable energy source is considered the most affordable for large-scale production?

• Geothermal energy

• Solar energy

• Wind energy

• Hydropower