Resposta:
A segunda alternativa está correta.
1. Take a short shower.
2. Plant trees and buy certified wood furniture only.
3. Collect rainwater in water butts and use a watering can instead of a hose.
4. Use rechargeable batteries and energy saving light bulbs.
5. Always turn off the lights when you leave a room.
6. Don´t open the doors of the refrigerators frequently.
7. Reduce and recycle rubbish.
8. Don´t leave appliances on standby.
