Final answer:
Activities like using geothermal energy, biomass, carpooling, and composting are eco-friendly, while cutting down trees and leaving lights on during the day are not eco-friendly.
Explanation:
Eco-Friendly:
- Use geothermal energy.
- Use biomass instead of coal.
- Carpool.
- Compost.
Not Eco-Friendly:
- Cut down trees.
- Turn lights on during the day.
- Learn more about Global Warming and Eco-Friendly Activities here:
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