1. We should use low energy light bulbs||electrical appliances||renewable energy sources||solar energy||hot water in our homes to save energy.
2. Do they always turn off the electrical appliances||low energy light bulbs||renewable energy sources||solar energy||hot water before leaving the room?
3. We can protect the environment by using renewable energy sources||electrical appliances||low energy light bulbs||solar energy||hot water.
4. When energy comes from the sun, we call it solar energy||renewable energy sources||electrical appliances||low energy light bulbs||hot water.
5. She has hot water||solar energy||renewable energy sources||electrical appliances||low energy light bulbs day and night because she has solar panels on the roof of her house.
