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Things like Spaceships, cars, big trucks and smoking cigeretts cause polution. |
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| Did you know your space ship is causing polution . | |
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| oh really | |
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Although Space Travel is important for our future we need to find more ways to prevent polution. |
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| yes harmful gases escape into the atmosphere and combine with other gases, this makes green house gases which block the suns rays from escaping earth. Which is why it is so hot. | |
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| Oh I never thought about it that way. | |
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