If I had a time machine, I would went back to the past and told people in the Cambodia and in the world that "Please do not cut down the trees". I would explained that "Trees is very important for everybody in the world because if we don't have trees the weather will change ( from hot to cold, from cold to hot ) and explained them to plant more trees, recycle glass plastic e.c.t.". One more thing is if I had a time machine I will go to the future I will become a sciencetis I will help the people in the world and my project is :
- Make more Ozone Layers.
- Stop the air pollutions from the factory car motor plane...
- Stop the global warming.
Written by Nissa.
can i see your face scientist? you have a good idea. from your friend CHETRA
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