- 1. Which renewable energy source utilizes heat from within the Earth's crust?
A) Solar
B) Wind
C) Geothermal
D) Hydropower
- 2. Which renewable energy source relies on the earth's water cycle?
A) Geothermal
B) Solar
C) Biomass
D) Hydropower
- 3. What renewable energy source can be generated from organic materials like wood and agricultural waste?
A) Biomass
B) Coal
C) Solar
D) Nuclear
- 4. Which renewable energy source is dependent on the growth of algae and other microorganisms?
A) Biofuel
B) Tidal
C) Hydropower
D) Geothermal
- 5. What is the average lifespan of a wind turbine?
A) 20-25 years
B) 40-45 years
C) 30-35 years
D) 5-10 years
- 6. Which renewable energy source is produced from the movement of ocean currents?
A) Solar
B) Geothermal
C) Tidal
D) Hydropower
- 7. What is the most abundant form of renewable energy on Earth?
A) Nuclear
B) Biomass
C) Solar
D) Wind
- 8. What is a significant challenge for integrating renewable energy into existing power grids?
A) Reliability
B) Intermittency
C) Pollution
D) Cost
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