Answers

2015-10-16T01:21:54+05:30

may be there will be less amount of oxygen present in it to make fire it can be the reason. it also depends upon type of fuel you are using.
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2015-10-16T01:35:14+05:30
There may be a reason that the amount of O2 present there may be less as we know that the main thing for combustion is oxygen 
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