Learn about materials and save the world!

3 thoughts on “Learn about materials and save the world!

  1. Probably not. But people need to stop cutting down trees. Don’t they know anything? We need trees to survive. Trees are the lungs of the planet(They create oxygen.)!

  2. Yeah you’re so right. Cutting down trees can also kill wildlife. I read/watch things about the effects of air pollution. And now they want to go to Mars. Then they will trash that planet too. Wont they learn ANYTHING???!!! _o_ ,o-o,

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