1. Why we need to plant a tree?
Produce more oxygen
2. Why open burning is not good for our Earth?
It causes air pollution
3. If we plant more trees, what will happened to our nature?
It makes our nature more beautiful
4. How to reduce air pollution?
By cycling
5. How to reduce air pollution?
By walking
6. Give examples of reused
By using bottles to make a new vase/pencil case
7. How to save water?
Turn off the tap while brushing your teeth
8. How to save water?
Use rain water to wash the car
9. If you go shopping, do not use plastic but bring...
your own paper bag or shopping bag
10. What is this?
Recycle bins/ Coloured bins
11. Among those 3R concepts, what is this related to?
Recycle
12. Why open burning is bad for our Earth?
It pollutes the air/ Air pollution
13. If we want to reduce the numbers of the cars on the road, we need to
carpool / travel together to work/school
14. If we want to reduce air pollution, reduce the number of cars, we need to use...
public transportation
