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suri003
suri003
bacicallly a chemical reaction may give out a gas it my or may be poisonous so when u are in a welll ventillated area d gas mixes wit air n beecomes dillute so now it is jst a smalll dose which wont hurt u ......:)..... n simlarly if u r some where lesss lets say space d gas would harm u as there is not fresh air ...:)........kool:
T
Tiffygirly
ohh,that makes sense
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