`text(1. Coal will be replaced by another renewable sources)`

`text(2. I think biogas is abundant and cheap for cooking and heating)`

`text(3. Solar energy will be used by many countries in the world)`

`text(4. Petroleum is non - renewable energy sources because it takes a long time to replace it)`

`text(5. The light will be turned off when leaving a room or going to bed)`

`text(@NoCopy!)`

1. Coal will be replaced by another renewable source.

2. I think biogas is abundant  and cheap for cooking and heating.

3. Solar enery will be used by many countries in the world.

4. Petrolium is a non - renewable energy source because it takes a long time to replace it.

5. The lights will be turned off when leaving a room or going to bed.

`Jeikei`